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New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 21' 20'' North , 112° 51' 54'' West
Latitude & Longitude (decimal): 32.35556,-112.86500
GeoHash:G#: 9mz8pdnhy
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


A former large-output surface Cu-Ag-Au-Mo-Zn-Ti-Nb-Rb-Gemstones mine located in the SE ¼ sec. 22, SW ¼ sec. 23, NW ¼ sec. 26 & the NE ¼ sec. 27, T. 12S., R.6W., about ½ mile (0.8 km) South of Ajo. Discovered by the Spaniards in 1750. First produced in modern times in 1917. Owned at times, or in part, by the Arizona Copper Mining & Trading Co.; St. Louis Copper Co.; the Rescue Copper Co.; Cornelia Copper Co.; New Cornelia Copper Co. (1912-1916); Calumet & Arizona Copper Co.; and the New Cornelia Division, Phelps Dodge Corp.

Mineralization is an elliptical ore body 2,011.63 meters long, 1,206.98 meters wide, 487.68 meters deep, and 304.8 meters thick, with veinlets and disseminations of chalcopyrite, bornite, and minor pyrite, oxidized in the upper part to carbonates, silicates, and minor chalcocite, deposited in fractured and faulted, altered Laramide quartz monzonite and bordering quartz diorite facies, and often in close association with irregular pegmatite zones in the intrusive. Mineralization extends into bordering intruded and altered Cretaceous volcanics. Minor spotty molybdenite and sphalerite. Ore control was the fracturing of the porphyry. Ore concentration was governed by the permeability of rocks to mineralizing fluids; some secondary copper on fractures. Alteration included sericitic, clay, chloritization, kaolinization, silicification with oxidation down to the water table. The host rock unit is the Chico Shuni (Cornelia). An associated rock unit is the Cornelia pluton.

Contact of oxidized and sulfide ore is sharp. There is no leached overburden. Gold is more closely associated with copper sulfides than with pyrite. Units present include quartz monzonite, quartz diorite, granodiorite, Equigranular quartz monzonite, porphyritic quartz monzonite, and porphyritic micro-quartz monzonite.

Local structures include NNW fracture zones and a number of major faults with large displacements.

The working is a huge open pit operation (about 3,000 feet long and nearly 2,000 feet wide) at 750 feet deep. Haulage was by internal railroad installed in the pit. Total production from 1917 through 1972 amounts to some 350,000,000 tons of ore averaging about 0.8% Cu, 0.05 oz. Ag/T and 0.004 oz. Au/T. Higher grade ore was mined in the early years and lower grade ore in more recent years.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

New Cornelia Mine, Ajo, Arizona, USA

Regions containing this locality

Sonoran Desert, North America

Desert - 1,138 mineral species & varietal names listed

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


85 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

Ajoite (TL)
Formula: (K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Habit: Tufts of acicular crystals
Colour: pale aquamarine
Description: Fills interstices of radiating spherulitic crystalline shattuckite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 316, 319-320; Schaller, W.T. & A.C. Vlisidis (1958), Ajoite, a new hydrous aluminum copper silicate, Am.Min.: 43: 1107-1111; Hutton, C.O. & A.C. Vlisidis (1960), Papagoite, a new copper-bearing mineral from Ajo, AZ, Am.Min.: 45: 599-611; Sun, M.S. (1961), Differential analysis of shattuckite, Am.Min.: 46: 67-77; Newberg, D.W. (1964), X-ray study of shattuckite, Am.Min.: 49: 1234-1239; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Clark, 1993 - "Hey's Mineral Index, 3rd Edition"; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 111.
Albite
Formula: Na(AlSi3O8)
Description: Secondary product of alteration of anorthite component of plagioclase, along with sericite and epidote.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 93.
'Albite-Anorthite Series'
Description: Rock forming minerals - wide range of compositions. Primary plagioclase of both the Concentrator volcanics & Cornelia quartz monzonite is largely andesine, although some zoned crystals show oligoclase rims.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 93.
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Description: Rock forming minerals
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Alunite
Formula: KAl3(SO4)2(OH)6
Description: Occurs in numerous narrow veins cutting Concentrator volcanics.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Anatase
Formula: TiO2
Description: Rock forming minerals
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Anhydrite
Formula: CaSO4
Colour: Lilac
Description: Minute crystals of hypogene origin in the orebody; also as large lilac pieces; veins that cut orthoclase, sericitized plagioclase, biotite, and chlorite & as rosettes of plates that encroach upon & penetrate copper sulfides & quartz.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 113; Sinkankas, J. (1964), Mineralogy for Amateurs, D. Van Nostrand Co., Inc., Princeton, NJ; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Colour: White, buff (weathered)
Description: Much more common than relatively pure dolomite. Occurs in veins or as druses coated by calcite. Curved faces, weathers buff.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 114; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91-92.
Atacamite
Formula: Cu2(OH)3Cl
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Description: Rock forming minerals
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298..
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319-320.
Azurite
Formula: Cu3(CO3)2(OH)2
Description: Not common, occurs in small amounts. As thin films coating malachite and veinlets to 1 cm thick.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 286; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 92; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; .
Baryte
Formula: BaSO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319-320; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Description: Pseudomorphic replacements of plagioclase phenocrysts in outlying parts of mineralized area. Occurs also in zone of oxidation coating malachite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 96; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Bieberite
Formula: CoSO4 · 7H2O
Colour: Pink
Description: Efflorescences on side of ditch draining approach to the pit.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 98.
'Biotite'
Description: Rock forming mineral. Occurs in the Cardigan gneiss, Concentrator volcanics, and Cornelia quartz monzonite. A little broadleaved material associated with pegmatized part of the Cornelia quartz monzonite in the orebody.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Bisbeeite'
Formula: (Cu,Mg)SiO3·nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 137.
Bornite
Formula: Cu5FeS4
Description: Second most abundant ore mineral after chalcopyrite. Minute grains and stringers through Cornelia quartz monzonite; veins to 1 inch (2.5 cm) thick. Concentrated around pegmatite bodies in the New Cornelia quartz monzonite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 142, 235; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, AZ, Econ.Geol.: 44: 253-277; Schwartz, G.M. (1958), Alteration of biotite under mesothermal conditions, Econ.Geol.: 53: 164-177; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Joralemon, I.B. (1914), The Ajo copper district, AZ, Engr. Mining Jour.: 98: 663; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 17.
Brochantite
Formula: Cu4(SO4)(OH)6
Description: Crusts in the weathered zone of the orebody.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 146; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 97.
Brookite
Formula: TiO2
Habit: Minute, less than 0.01 mm diameter
Description: Rock forming mineral. Replacing titanite in a single sample from a drill core in quartz monzonite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91.
Calcite
Formula: CaCO3
Habit: Scalenohedral (late hypogene); flat rhombohedral (nail-head)(late supergene).
Description: Not conspicuous though widespread in small amounts in ore. Some seems to represent a replacement product; most clearly occupies fissures. Coats ankerite; occurs with laumontite in andesite dikes.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 114, 220; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Chabazite'
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Chalcocite
Formula: Cu2S
Description: Relatively small amounts; disseminated in narrow band bordering the southern part of the orebody.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 163; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 87-88; Joralemon, I.B. (1914), The Ajo copper district, AZ, Engr. Mining Jour.: 98: 663; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 16.
Chalcopyrite
Formula: CuFeS2
Habit: Euhedral in vugs
Description: Occurs as scattered grains in the Cornelia Quartz Monzonite; veinlets cutting orthoclase, quartz, magnetite, pyrite, hematite, bornite, sphalerite and molybdenite.
Reference: Joralemon, I.B. (1914), The Ajo copper district, AZ, Engr. Mining Jour.: 98: 663; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 19; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Chlorite Group'
Description: Pseudomorphous after biotite in the Cornelia quartz monzonite.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 95-96.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Habit: Fibrous
Colour: Greenish, nearly white
Description: Widespread in the oxidized zone of the orebody. Derived from malachite alteration and found encrusting it.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 146; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Joralemon, I.B. (1914), The Ajo copper district, AZ, Engr. Mining Jour.: 98: 663; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298;
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Clinochlore var: Diabantite
Formula: (Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Description: In Cornelia quartz monzonite.
Reference: Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 95.
Clinozoisite ?
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Habit: Minute
Colour: Colorless
Description: Occurs in some of the sericitized albitized plagioclase of the Cardigan gneiss, Concentrator volcanics, and Cornelia quartz monzonite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 94..
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183; Schaller, W.T. & A.C. Vlisidis (1958), Ajoite, a new hydrous aluminum copper silicate, Am.Min.: 43: 1107-1111; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 70.
Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Description: Occurs in vugs with cuprite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298;
Copper
Formula: Cu
Description: Abundant as an oxidation product.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 185; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 87; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Covellite
Formula: CuS
Description: Occurs as minute blebs in chalcocite veinlets and coatings on other copper minerals, especially chalcopyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 190; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 88; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Cuprite
Formula: Cu2O
Description: Abundant; miners made baseballs from chalcotrichite. Occurs with supergene hematite, malachite, chrysocolla and copper in the old weathered zone of the orebody that lies beneath the Locomotive fanglomerate
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183, 196; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89.
Cuprite var: Chalcotrichite
Formula: Cu2O
Description: Abundant; miners made baseballs out of this material.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 196; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202.
Diaspore
Formula: AlO(OH)
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Dolomite
Formula: CaMg(CO3)2
Description: A little found in ores as linings in drusy cavities. Older than calcite & coats chlorite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91-92.
Enargite
Formula: Cu3AsS4
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Description: With specularite in extreme NW corner of the orebody, coats specularite in vugs. Secondary alteration product of anorthite component of plagioclase along with sericite and albite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 90, 93, 94.
Epsomite
Formula: MgSO4 · 7H2O
Description: Occurs in the oxidized portion of the orebody; possible post-mining product.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 216; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89, 98; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
'Ferrierite'
Description: Occurs is a dike with calcite and zeolites.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 220; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Ferrierite-Na
Formula: (Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Reference: azminerals.com
Fluorapatite
Formula: Ca5(PO4)3F
Habit: Commonly euhedral and stumpy
Description: Rock forming mineral. Occurs only as an accessory mineral in igneous rocks, including the Cornelia quartz monzonite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 97.
Forsterite
Formula: Mg2SiO4
Description: Rock forming mineral.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Galena
Formula: PbS
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Goethite
Formula: α-Fe3+O(OH)
Description: Occurs as fine, earthy powders; a constituent of a yellow-brown to deep brown limonitic crust on the rusty outcrops of the oxidized part of the orebody.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 233; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Gold
Formula: Au
Description: Cementing some fractures in bornite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 235; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Gypsum
Formula: CaSO4 · 2H2O
Description: Small amounts in weathered zone. Commonly encrusts pyritic specimens. Forms crusts with meta-alunogen from a seep.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 294; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 98.
Halite
Formula: NaCl
Description: A little with epsomite and its dehydration products.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89.
Hematite
Formula: Fe2O3
Description: Earthy variety of supergene origin.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 246, 298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Hematite var: Specularite
Formula: Fe2O3
Habit: Crystals to 2 inch (5 cm) diameter
Description: Brilliant crystals of hypogene origin; lining joints and cracks; with epidote in veins in extreme NW corner of orebody.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 246, 298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 90.
'Heulandite subgroup'
Description: Occurs in a dike with calcite and ferrierite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 220; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Hornblende'
Description: Rock forming minerals. Often partially to completely altered to chlorite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 93..
Ilmenite
Formula: Fe2+TiO3
Description: A little is associated with magnetite as primary accessory constituent of the Cornelia quartz monzonite; much formed as alteration of titanite during ore deposition.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 90.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Description: Occurs in the weathered zone of the orebody; commonly encrusts earthy hematite. Not very abundant.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 98.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Habit: Crystals elongate
Colour: Pink
Description: Occurs with calcite in andesite dikes.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 272; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91.
Magnetite
Formula: Fe2+Fe3+2O4
Habit: discrete euhedral octahedra commonly a fraction of a mm diameter (in quartz monzonite)
Description: Appears to be of 2 generations. Older generation is a primary constituent of the Cornelia quartz monzonite; younger generation as veinlets (very thin to 4 inches (10 cm) thick, associated with pegmatites in the ore deposit
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 90-91; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Malachite
Formula: Cu2(CO3)(OH)2
Description: Most common weathering product among the Cu minerals. In concentric structures with azurite & quartz in vugs & covering the outside of porous nodules of cuprite, which, in turn, surround copper; veinlets and coating joint surfaces; commonly coated by chrysocolla, tenorite or azurite. Alters to, and is encrusted by chrysocolla.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 286, 298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 92; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Meta-alunogen
Formula: Al2(SO4)3 · 12H2O
Description: Forms crusts from a seep with gypsum.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 294.
Microcline
Formula: K(AlSi3O8)
Habit: Coarse; anhedral in the pegmatites; in vugs crystals to 3 or 4 inches (5 to 10 cm) across with well-developed domes & clinopinacoids.
Description: Occurs in the south-central part of the orebody as coarse crystals in the pegmatite masses; sparsely distributed individual grains in normal quartz monzonite & in narrow veins.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 92; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Molybdenite
Formula: MoS2
Description: In vugs and open fissures resting on chalcopyrite crystals and quartz; smears on slickensided joints.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 87; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Monazite'
Description: Rock forming minerals
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Mottramite
Formula: PbCu(VO4)(OH)
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: In cracks through calcite in fissures. Secondary alteration product of anorthite component of plagioclase along with sericite and epidote. Rosettes of sericite also replaced chalcopyrite.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91, 93, 94-95.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Description: In cracks through calcite in fissures. Secondary alteration product of anorthite component of plagioclase along with sericite and epidote. Rosettes of sericite also replaced chalcopyrite.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91, 93, 94-95.
Neotocite
Formula: (Mn,Fe,Mg)SiO3 · H2O
Colour: Black
Description: Occurs as dendrites.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 312; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Olivenite
Formula: Cu2(AsO4)(OH)
Description: Occurs as small crystals with ajoite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 316; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Opal
Formula: SiO2 · nH2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89.
Orthoclase
Formula: K(AlSi3O8)
Habit: Crystals to several inches diameter
Description: Part of a massive replacement of quartz monzonite; phenocrysts in the Cornelia quartz monzonite & minute crystals in the groundmass of the monzonite. Primary igneous mineral and secondary replacements of groundmass.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298, 318; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 92; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Palygorskite
Formula: (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319-320; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Papagoite (TL)
Formula: CaCu[H3AlSi2O9]
Habit: Elongated, somewhat flattened crystals
Colour: Cerulean-blue
Description: Occurs in narrow veinlets & in veneers on slip surfaces in altered granodiorite porphyry.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319-320; Hutton, C.O. & A.C. Vlisidis (1960), Papagoite, a new copper-bearing mineral from Ajo, AZ, Am.Min.: 45: 599-611; Guillebert, C. & M.T. Le Bihan (1965), Contributions à l'étude structurale des silicates de cuivre: Structure atomique de la papagoite, Bull. Soc. Franc. Min. Crist: 88: 119-121.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Plancheite
Formula: Cu8(Si8O22)(OH)4 · H2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
Planerite
Formula: Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Posnjakite
Formula: Cu4(SO4)(OH)6 · H2O
Description: Associated with gypsum and partly altered pyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334.
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Psilomelane'
Description: Doubtfully identified as dendrites on joint and other surfaces of rocks in the weathered zone; common constituent of the indefinate mixture classed as copper pitch.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91.
Pyrite
Formula: FeS2
Habit: Crystals to 1 cm, bounded by pyritohedral and cubic faces.
Description: Relatively scarce in this porphyry orebody. Particularly abundant in dioritic border facies; also in Concentrator volcanics as a few fine crystal groups. Veinlets to 2 - 3 cm thick and discrete grains in silicates, quartz, and magnetite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 341; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
Pyrolusite
Formula: Mn4+O2
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Quartz
Formula: SiO2
Description: Occurs with shattuckite inclusions; coating molybdenite in vugs; drusy crystal crusts coating malachite and chrysocolla.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 347; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 87, 89; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Rutile
Formula: TiO2
Habit: Stumpy, euhedral, somewhat rounded prisms (primary material).
Description: Rock forming mineral; microscopic constitutent of the quartz monzonite; sagenite type formed during chloritization of biotite; primary material as stumpy crystals. It occurs as equant grains over 20 microns at roughly 0.1% in-K feldspar. It is high in Nb.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 91.
Shattuckite
Formula: Cu5(Si2O6)2(OH)2
Description: Occurs at times included in quartz.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319-320, 369; Vlisidis, A.C. & W.T. Schaller (1967), The formula of shattuckite, Am.Min.: 52: 782-786; Mrose, M.E. & A.C. Vlisidis (1966), Proof of the formula of shattuckite, Cu5(SiO3)4(OH)2 (abs.), Am.Min.: 51: 266-267; DeKalb (1918); Evans, H.T. & M.E. Mrose (1977), The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite, Am.Min.: 62: 491-502; Schaller, W.T. & A.C. Vlisidis (1958), Ajoite, a new hydrous aluminum copper silicate, Am.Min.: 43: 1107-1111; Hutton, C.O. & A.C. Vlisidis (1960), Papagoite, a new copper-bearing mineral from Ajo, AZ, Am.Min.: 45: 599-611; Sun, M.S. (1961), Differential analysis of shattuckite, Am.Min.: 46: 67-77; Newberg, D.W. (1964), X-ray study of shattuckite, Am.Min.: 49: 1234-1239; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 111.
Siderite
Formula: FeCO3
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Silver
Formula: Ag
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Sphalerite
Formula: ZnS
Description: Uncommon.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
'Stibiconite'
Formula: Sb3+Sb5+2O6(OH)
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
'Stilbite subgroup'
Habit: Bladed
Colour: Yellow
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 383; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Sulphur
Formula: S8
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Talc
Formula: Mg3Si4O10(OH)2
Reference: MRDS database Dep. ID fle #10027145, MRDS ID #M002273.
Tennantite
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
Description: Subordinate amounts in tetrahedrite nuclei of grains whose borders are composed of bornite and chalcopyrite.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Tenorite
Formula: CuO
Description: Relatively small amounts; black crusts on chalcocite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 90.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Description: Nuclei of composite grains whose borders are composed of bornite and chalcopyrite. Contains subordinate tennantite.
Reference: Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Titanite
Formula: CaTi(SiO4)O
Habit: Euhedral; commonly 1 mm, & locally more than 3 mm long.
Description: Rock forming mineral. Conspicuous in euhedral crystals in the Cornelia quartz monzonite.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 97.
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Description: Reported to occur on copper.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 399; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 75.
Turquoise
Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Zircon
Formula: Zr(SiO4)
Habit: Small stout prisms
Description: Primary rock forming mineral in the Cornelia quartz monzonite; quite unaffected during mineralization.
Reference: Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 93..

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Gold1.AA.05Au
Silver1.AA.05Ag
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Enargite2.KA.05Cu3AsS4
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Tennantite2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
'Atacamite'3.DA.10aCu2(OH)3Cl
Connellite3.DA.25Cu19(SO4)(OH)32Cl4 · 3H2O
Halite3.AA.20NaCl
Group 4 - Oxides and Hydroxides
'Anatase'4.DD.05TiO2
'Brookite'4.DD.10TiO2
Cuprite4.AA.10Cu2O
var: Chalcotrichite4.AA.10Cu2O
Diaspore4.FD.10AlO(OH)
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Stibiconite4.DH.20Sb3+Sb5+2O6(OH)
Tenorite4.AB.10CuO
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Aurichalcite'5.BA.15(Zn,Cu)5(CO3)2(OH)6
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Calcite'5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Alunite'7.BC.10KAl3(SO4)2(OH)6
'Anhydrite'7.AD.30CaSO4
'Baryte'7.AD.35BaSO4
'Bieberite'7.CB.35CoSO4 · 7H2O
'Brochantite'7.BB.25Cu4(SO4)(OH)6
Devilline7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
Epsomite7.CB.40MgSO4 · 7H2O
Gypsum7.CD.40CaSO4 · 2H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Meta-alunogen7.CB.45Al2(SO4)3 · 12H2O
Posnjakite7.DD.10Cu4(SO4)(OH)6 · H2O
Group 8 - Phosphates, Arsenates and Vanadates
Conichalcite8.BH.35CaCu(AsO4)(OH)
Fluorapatite8.BN.05Ca5(PO4)3F
Mottramite8.BH.40PbCu(VO4)(OH)
Olivenite8.BB.30Cu2(AsO4)(OH)
Planerite8.DD.15Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Turquoise8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Group 9 - Silicates
'Ajoite' (TL)9.EA.70(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
'Albite'9.FA.35Na(AlSi3O8)
'Allophane'9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
'Augite'9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
'Beidellite'9.EC.40(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Diabantite9.EC.55(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Clinozoisite ?9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ferrierite-Na9.GD.50(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Forsterite9.AC.05Mg2SiO4
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Neotocite9.ED.20(Mn,Fe,Mg)SiO3 · H2O
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Orthoclase9.FA.30K(AlSi3O8)
Palygorskite9.EE.20(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Papagoite (TL)9.CE.05CaCu[H3AlSi2O9]
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Plancheite9.DB.35Cu8(Si8O22)(OH)4 · H2O
Shattuckite9.DB.40Cu5(Si2O6)2(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-
'Bisbeeite'-(Cu,Mg)SiO3·nH2O
'Chabazite'-
Chlorite Group-
Ferrierite-
Heulandite subgroup-
Hornblende-
Limonite-(Fe,O,OH,H2O)
Monazite-
Psilomelane-
Stilbite subgroup-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Silver1.1.1.2Ag
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 4
Enargite3.2.1.1Cu3AsS4
3 <ø < 4
Tennantite3.3.6.2Cu6[Cu4(Fe,Zn)2]As4S13
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX
Tenorite4.2.3.1CuO
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Brookite4.4.5.1TiO2
Pyrolusite4.4.1.4Mn4+O2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Bieberite29.6.10.4CoSO4 · 7H2O
Epsomite29.6.11.1MgSO4 · 7H2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
A2(XO4)3·H2O
Meta-alunogen29.8.7.1Al2(SO4)3 · 12H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq·xH2O, where m:p > 6:1
Connellite31.1.1.1Cu19(SO4)(OH)32Cl4 · 3H2O
(AB)4(XO4)Zq·xH2O
Posnjakite31.4.1.1Cu4(SO4)(OH)6 · H2O
(AB)5(XO4)2Zq·xH2O
Devilline31.6.1.1CaCu4(SO4)2(OH)6 · 3H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq
Pseudomalachite41.4.3.1Cu5(PO4)2(OH)4
(AB)2(XO4)Zq
Conichalcite41.5.1.2CaCu(AsO4)(OH)
Mottramite41.5.2.2PbCu(VO4)(OH)
A2(XO4)Zq
Olivenite41.6.6.1Cu2(AsO4)(OH)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Planerite42.9.3.6Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Stibiconite'44.1.1.1Sb3+Sb5+2O6(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite ?58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 60 - CYCLOSILICATES Four-Membered Rings
Four-Membered Rings, as Titanosilicates
Papagoite (TL)60.1.4.1CaCu[H3AlSi2O9]
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Shattuckite65.1.7.1Cu5(Si2O6)2(OH)2
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Ca subgroup
Plancheite66.2.1.1Cu8(Si8O22)(OH)4 · H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Allophane71.1.5.1(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Neotocite71.1.5.4(Mn,Fe,Mg)SiO3 · H2O
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings with 2:1 clays
Beidellite71.3.1a.1(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Palygorskite74.3.1a.1(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Group 78 - Unclassified Silicates
Ajoite (TL)78.5.1.1(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-
'Bisbeeite'-(Cu,Mg)SiO3·nH2O
'Chabazite'-
'Chlorite Group'-
Clinochlore
var: Diabantite
-(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Cuprite
var: Chalcotrichite
-Cu2O
'Ferrierite'-
Ferrierite-Na-(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Hematite
var: Specularite
-Fe2O3
'Heulandite subgroup'-
'Hornblende'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Psilomelane'-
'Stilbite subgroup'-

List of minerals for each chemical element

HHydrogen
H Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H AluniteKAl3(SO4)2(OH)6
H AtacamiteCu2(OH)3Cl
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H AzuriteCu3(CO3)2(OH)2
H Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
H BieberiteCoSO4 · 7H2O
H Bisbeeite(Cu,Mg)SiO3·nH2O
H BrochantiteCu4(SO4)(OH)6
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H ConichalciteCaCu(AsO4)(OH)
H ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
H DevillineCaCu4(SO4)2(OH)6 · 3H2O
H Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
H DiasporeAlO(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H EpsomiteMgSO4 · 7H2O
H Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H KaoliniteAl2(Si2O5)(OH)4
H LaumontiteCaAl2Si4O12 · 4H2O
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H MelanteriteFe2+(H2O)6SO4 · H2O
H Meta-alunogenAl2(SO4)3 · 12H2O
H MottramitePbCu(VO4)(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Neotocite(Mn,Fe,Mg)SiO3 · H2O
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H OliveniteCu2(AsO4)(OH)
H OpalSiO2 · nH2O
H Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
H PapagoiteCaCu[H3AlSi2O9]
H PhlogopiteKMg3(AlSi3O10)(OH)2
H PlancheiteCu8(Si8O22)(OH)4 · H2O
H PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
H PosnjakiteCu4(SO4)(OH)6 · H2O
H PseudomalachiteCu5(PO4)2(OH)4
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H ShattuckiteCu5(Si2O6)2(OH)2
H StibiconiteSb3+Sb25+O6(OH)
H TalcMg3Si4O10(OH)2
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
O AlbiteNa(AlSi3O8)
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O AluniteKAl3(SO4)2(OH)6
O AnataseTiO2
O AnhydriteCaSO4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AtacamiteCu2(OH)3Cl
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
O BieberiteCoSO4 · 7H2O
O Bisbeeite(Cu,Mg)SiO3·nH2O
O BrochantiteCu4(SO4)(OH)6
O BrookiteTiO2
O CalciteCaCO3
O Cuprite (var: Chalcotrichite)Cu2O
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O ConichalciteCaCu(AsO4)(OH)
O ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
O CupriteCu2O
O DevillineCaCu4(SO4)2(OH)6 · 3H2O
O Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
O DiasporeAlO(OH)
O DolomiteCaMg(CO3)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O EpsomiteMgSO4 · 7H2O
O Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
O FluorapatiteCa5(PO4)3F
O ForsteriteMg2SiO4
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O IlmeniteFe2+TiO3
O JarositeKFe3+ 3(SO4)2(OH)6
O KaoliniteAl2(Si2O5)(OH)4
O LaumontiteCaAl2Si4O12 · 4H2O
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MelanteriteFe2+(H2O)6SO4 · H2O
O Meta-alunogenAl2(SO4)3 · 12H2O
O MicroclineK(AlSi3O8)
O MottramitePbCu(VO4)(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Neotocite(Mn,Fe,Mg)SiO3 · H2O
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
O OliveniteCu2(AsO4)(OH)
O OpalSiO2 · nH2O
O OrthoclaseK(AlSi3O8)
O Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
O PapagoiteCaCu[H3AlSi2O9]
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PlancheiteCu8(Si8O22)(OH)4 · H2O
O PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
O PosnjakiteCu4(SO4)(OH)6 · H2O
O PseudomalachiteCu5(PO4)2(OH)4
O PyrolusiteMn4+O2
O QuartzSiO2
O RutileTiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O ShattuckiteCu5(Si2O6)2(OH)2
O SideriteFeCO3
O Hematite (var: Specularite)Fe2O3
O StibiconiteSb3+Sb25+O6(OH)
O TalcMg3Si4O10(OH)2
O TenoriteCuO
O TitaniteCaTi(SiO4)O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O ZirconZr(SiO4)
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
Na Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Na Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Na HaliteNaCl
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Bisbeeite(Cu,Mg)SiO3·nH2O
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Mg DolomiteCaMg(CO3)2
Mg EpsomiteMgSO4 · 7H2O
Mg Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Mg ForsteriteMg2SiO4
Mg Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mg Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Al AlbiteNa(AlSi3O8)
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al AluniteKAl3(SO4)2(OH)6
Al Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Al DiasporeAlO(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Al KaoliniteAl2(Si2O5)(OH)4
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Meta-alunogenAl2(SO4)3 · 12H2O
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Al OrthoclaseK(AlSi3O8)
Al Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Al PapagoiteCaCu[H3AlSi2O9]
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
SiSilicon
Si Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Si AlbiteNa(AlSi3O8)
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Si Bisbeeite(Cu,Mg)SiO3·nH2O
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Si ForsteriteMg2SiO4
Si KaoliniteAl2(Si2O5)(OH)4
Si LaumontiteCaAl2Si4O12 · 4H2O
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Neotocite(Mn,Fe,Mg)SiO3 · H2O
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si OpalSiO2 · nH2O
Si OrthoclaseK(AlSi3O8)
Si Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Si PapagoiteCaCu[H3AlSi2O9]
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si PlancheiteCu8(Si8O22)(OH)4 · H2O
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ShattuckiteCu5(Si2O6)2(OH)2
Si TalcMg3Si4O10(OH)2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
PPhosphorus
P FluorapatiteCa5(PO4)3F
P PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
P PseudomalachiteCu5(PO4)2(OH)4
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
SSulfur
S AluniteKAl3(SO4)2(OH)6
S AnhydriteCaSO4
S BaryteBaSO4
S BieberiteCoSO4 · 7H2O
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
S CovelliteCuS
S DevillineCaCu4(SO4)2(OH)6 · 3H2O
S EnargiteCu3AsS4
S EpsomiteMgSO4 · 7H2O
S GalenaPbS
S GypsumCaSO4 · 2H2O
S JarositeKFe3+ 3(SO4)2(OH)6
S MelanteriteFe2+(H2O)6SO4 · H2O
S Meta-alunogenAl2(SO4)3 · 12H2O
S MolybdeniteMoS2
S PosnjakiteCu4(SO4)(OH)6 · H2O
S PyriteFeS2
S SphaleriteZnS
S SulphurS8
S TennantiteCu6[Cu4(Fe,Zn)2]As4S13
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cl HaliteNaCl
KPotassium
K Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
K AluniteKAl3(SO4)2(OH)6
K Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
K JarositeKFe3+ 3(SO4)2(OH)6
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnhydriteCaSO4
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Ca CalciteCaCO3
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca ConichalciteCaCu(AsO4)(OH)
Ca DevillineCaCu4(SO4)2(OH)6 · 3H2O
Ca DolomiteCaMg(CO3)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Ca FluorapatiteCa5(PO4)3F
Ca GypsumCaSO4 · 2H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca PapagoiteCaCu[H3AlSi2O9]
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti AnataseTiO2
Ti BrookiteTiO2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
VVanadium
V MottramitePbCu(VO4)(OH)
MnManganese
Mn Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mn PyrolusiteMn4+O2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Clinochlore (var: Diabantite)(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe Neotocite(Mn,Fe,Mg)SiO3 · H2O
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe PyriteFeS2
Fe SideriteFeCO3
Fe Hematite (var: Specularite)Fe2O3
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
CoCobalt
Co BieberiteCoSO4 · 7H2O
CuCopper
Cu Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Cu AtacamiteCu2(OH)3Cl
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu Bisbeeite(Cu,Mg)SiO3·nH2O
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu Cuprite (var: Chalcotrichite)Cu2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu ConichalciteCaCu(AsO4)(OH)
Cu ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cu CopperCu
Cu CovelliteCuS
Cu CupriteCu2O
Cu DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cu EnargiteCu3AsS4
Cu MalachiteCu2(CO3)(OH)2
Cu MottramitePbCu(VO4)(OH)
Cu OliveniteCu2(AsO4)(OH)
Cu PapagoiteCaCu[H3AlSi2O9]
Cu PlancheiteCu8(Si8O22)(OH)4 · H2O
Cu PosnjakiteCu4(SO4)(OH)6 · H2O
Cu PseudomalachiteCu5(PO4)2(OH)4
Cu ShattuckiteCu5(Si2O6)2(OH)2
Cu TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Cu TenoriteCuO
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
ZnZinc
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ConichalciteCaCu(AsO4)(OH)
As EnargiteCu3AsS4
As OliveniteCu2(AsO4)(OH)
As TennantiteCu6[Cu4(Fe,Zn)2]As4S13
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg
SbAntimony
Sb StibiconiteSb3+Sb25+O6(OH)
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb MottramitePbCu(VO4)(OH)
UUranium
U TorberniteCu(UO2)2(PO4)2 · 12H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Ypresian - Campanian
47.8 - 83.6 Ma



ID: 2847840
Early Tertiary to Late Cretaceous volcanic rocks

Age: Phanerozoic (47.8 - 83.6 Ma)

Stratigraphic Name: Williamson Canyon Volcanics

Description: Rhyolite to andesite and closely associated sedimentary and near-surface intrusive rocks; commonly dark gray to dark greenish gray or greenish brown. In the ranges west of Tucson, this unit includes thick welded ash-flow tuffs. Volcanic rocks of this unit are inferred to be derived from vents and volcanoes above magma chambers that solidified to form the granitic rocks of map unit TKg. These rocks are restricted to southeastern Arizona except for a small outcrop near Bagdad. (50-82 Ma)

Comments: Related, broadly, to unit TKg Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{rhyolite,dacite,andesite}, Minor:{clastic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Joralemon, I.B. (1914) The Ajo copper district, Arizona. Engineering and Mining Journal, 98, 663.
DeKalb (1918).
Greenway, J.C. (1920) Success after failures, the story of New Cornelia Copper Company as related informally by Col. John C. Greenway. Arizona Mining Journal, 3(8), 17.
Allen, A.W. (1922) Ajo enterprise of the New Cornelia Copper Company [two parts]. Engineering and Mining Journal-Press, [Part 1] 113(22), 952-956; [Part 2] 113(23), 1003-1008.
Richard (1923).
Richard (1925).
Bell, G.A. (1930) Leaching practice and costs at the New Cornelia mines of the Calumet and Arizona Mining Company, Ajo, Arizona. United States Bureau of Mines Information Circular I.C. 6303, 30 p.
Ingham, G.R. and Barr, A.T. (1932) Mining methods and costs at the New Cornelia Branch, Phelps Dodge Corporation, Ajo, Arizona. United States Bureau of Mines Information Circular I.C. 6666, 18 p.
Schwartz, G.M. (1934) Paragenesis of the oxidized ores of copper. Economic Geology, 29, 55-75.
Gilluly, J. (1937) Geology and ore deposits of the Ajo quadrangle, Arizona. Arizona Bureau of Mines Bulletin 141, 68-75; 79-81.
Gilluly, James (1938) Ajo district. in: Some Arizona ore deposits. Arizona Bureau of Mines Bulletin 145, 86-90.
Gilluly, J. (1942) Mineralization of the Ajo copper district, Arizona. American Mineralogist, 27, 222-223.
Gilluly, J. (1942) The mineralization of the Ajo copper district, Arizona. Economic Geology, 37, 297-309.
Gilluly, J. (1946) The Ajo mining district, Arizona. United States Geological Survey Professional Paper 209.
Galbraith, F.W. (1947) Minerals of Arizona. Arizona Bureau of Mines Bulletin 153, 16-17; 19.
Schwartz, G.M. (1947) Hydrothermal alteration in the 'porphyry copper' deposits, Arizona. Economic Geology, 44, 253-277.
Gilluly, James (1952) Geology of the New Cornelia mine, Ajo, Arizona (abstracted from James Gilluly, in Shride, A.F., McKee, E.D., and Harshbarger, J.W., editors, Guidebook for field trip excursions in southern Arizona.) Geological Society of America, Cordilleran Section Meeting, April 10-14, 1952, Tucson, Arizona. Arizona Geological Society, p. 58-61.
Schaller, W.T. and Vlisidis, A.C. (1958) Ajoite, a new hydrous aluminum copper silicate. American Mineralogist, 43, 1107-1111.
Schwartz, G.M. (1958) Alteration of biotite under mesothermal conditions. Economic Geology, 53, 164-177.
Galbraith, F.W. and Brennan, D.J. (1959) Minerals of Arizona: 70, 75, 111.
Hardwick, W.R. (1960) Open-pit copper mining methods at New Cornelia Branch, Phelps Dodge Corp., Pima County, Arizona. U.S. Bureau of Mines Information Circular I.C. 7938, 83 p.
Hutton, C.O. and Vlisidis, A.C. (1960) Papagoite, a new copper-bearing mineral from Ajo, Arizona. American Mineralogist, 45, 599-611.
Sun, M.S. (1961) Differential analysis of shattuckite. American Mineralogist, 46, 67-77.
Newberg, D.W. (1964) X-ray study of shattuckite. American Mineralogist, 49, 1234-1239.
Sinkankas, J. (1964) Mineralogy for Amateurs. D. Van Nostrand Co., Inc., Princeton, NJ.
Guillebert, C. and Le Bihan, M.T. (1965) Contributions à l'étude structurale des silicates de cuivre: Structure atomique de la papagoite. Bulletin de la Société française de minéralogie et de cristallographie, 88, 119-121.
Dixon, D.W. (1966) Geology of the New Cornelia Mine, Ajo, Arizona. in Titley, S.R., and Hicks, C.L., editors, Geology of the porphyry copper deposits, southwestern North America. Tucson, University of Arizona Press, p. 123-132.
Mrose, M.E. and Vlisidis, A.C. (1966) Proof of the formula of shattuckite, Cu5(SiO3)4(OH)2 (abs.). American Mineralogist, 51, 266-267.
Vlisidis, A.C. and Schaller, W.T. (1967) The formula of shattuckite. American Mineralogist, 52, 782-786.
May, B.T. (1968) Magnetic properties of rocks associated with the New Cornelia porphyry copper deposit, Pima County, Arizona. Tucson, University of Arizona, Ph.D. dissertation, 159 p.
Wadsworth, W.B. (1968) The Cornelia pluton, Ajo, Arizona. Economic Geology, 63(2), 101-115.
Keith, Stanton B. (1974) Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bulletin 189, Index of Mining Properties in Pima County, Arizona: 83 (Table 4).
Wadsworth, W.B. (1974) Cornelia pluton, Arizona; petrogenesis inferred from grain-transition probabilities [abs.]. Eos, Transactions, American Geophysical Union, 55(4), 485.
Cox, C.J. (1975) unpublished data.
Wadsworth, W.B. (1975) Petrogenetic significance of grain-transition probabilities, Cornelia Pluton, Ajo, Arizona. in Quantitative studies in the geological sciences. Geological Society of America Memoir 142, p. 257-282.
Evans, H.T. and Mrose, M.E. (1977) The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite. American Mineralogist, 62, 491-502.
Arizona Pay Dirt (1979) Phelps Dodge Announces Pit Expansion that will Carry Ajo Mine Through 1980's. August 1979: 30.
Arizona Pay Dirt (1980) Phelps Dodge is Constructing Moly Plant at Ajo. April 1980: 22.
Arizona Pay Dirt (1981) (Supplement) Ajo, in Phelps Dodge – A Copper Centennial, 1881-1981. Summer, 1981: 64-68, 70-71, 90-91, and 180-181.
World Mining (1981) 1977-1980 production: September 1981: 50.
World Mining (1982) 1981 production: September 1982: 70.
Arizona Pay Dirt (1983) Phelps Dodge Bringing Copper Mine, Mill at Ajo Back On Line. February 1983: front cover & 5A.
Thomas, W.J. and Gibbs, R.B. (1983) Famous mineral localities: The New Cornelia mine, Ajo, Arizona. Mineralogical Record, 14, 283-298.
Singer, D.A., Berger, V.I., and Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. United States Geological Survey Open-File Report 2008-1155.
Anthony, J.W., et al. (1995) Mineralogy of Arizona, 3rd. ed.: 103, 113, 114, 132, 137, 142, 146, 163, 166, 174, 183, 185, 190, 196, 202, 216, 220, 233, 235, 246, 272, 286, 294, 298, 312, 316, 318, 319-320, 330, 334, 341, 347, 369, 383, 399.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10027145, MRDS ID #M002273; and, Dep. ID #10283204, MAS ID #0040190008.


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