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Steppe Mine (Steppe claim; Little Mary Mine), Mildren Mine group, Ko Vaya, Cababi District (Comobabi District), Comobabi Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 1' 0'' North , 111° 54' 45'' West
Latitude & Longitude (decimal): 32.01667,-111.91250
GeoHash:G#: 9t8qjk7y9
USGS MRDS Record:10039670
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


‡Ref.: Wilson, E.D., Cunningham, J.B., and Butler, G.M. (1934), Arizona Lode Gold Mines and Gold Mining. Arizona Bureau of Mines Bull. 137.

Williams, S.A. (1962) The mineralogy of the Mildren and Steppe mining districts, Pima County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 145 p.

Williams, S.A. (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima County, Arizona, Economic Geology: 58: 1119-1125.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 111 (Table 4).

Elevatorski, E.A. (1978), Arizona Industrial Minerals, Arizona Department of Mineral Resources, Minerals Report No. 2: 49.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 112, 121, 126, 128, 146, 149, 163, 166, 169, 174, 186, 188, 194, 196, 202, 207, 220, 229, 233, 235, 238, 242, 251, 259, 262, 274, 275, 279, 291, 298, 302, 307, 344, 357, 370, 374, 385, 387, 411, 420, 426.

MRDS database Dep. ID file #10039670, MRDS ID #M050622; and, Dep. ID #10113599, MAS ID #0040190295.

A former small underground Cu-Au-Ag-Pb-Zn-Mo-Rh-Baryte mine located in the SW ¼ sec. 23 & the NW ¼ sec. 26, T.16S., R.4E. (protracted), 8 miles WSW of Comobabi and 1 mile NE of Wickchoupai village. Produced 1917-1970. Owned/operated by the Stepp Brothers; Como-Pima Mining Corp.; G.A. Withers; Beids Mining Co.; Hardy; Rogers; and, Medd.

Mineralization is lensing, quartz-fissure veins, partly brecciated, containing shoots of barite and stringers of dolomite. 2 veins about 500 feet apart. Iron and copper oxides occur in the upper part and change to sulfides, including ruby silver, with depth. Minor tetrahedrite and molybdenite are also found. The wall rock is Cretaceous (?) amygdaloidal andesite flows. Ore control was the altered andesite, and brecciated fissure veins in gently dipping andesites. Alteration was oxidation and leaching of wall rock. Rhenium found spectrographically in bornite. Ore width is 3.05 meters with a NW strike and dip of 70NE.

Local structures include a NE vertical fault displacing the Little Mary and Chicago veins; A NW fault, with a dip of 40NE, displacing the Little Mary vain. Flows are intruded by dikes, Picacho Andesite, and Coon Canyon Volcanics.

Workings include shaft and tunnel operations to a depth of 76.2 meters, and, as of 1925, a 50 ton flotation mill. Worked from 1917 to 1970 and produced some 800 tons of picked ore averaging about 0.2 oz. Au/T, 15 oz. Ag/T, 54% Pb, 4% Cu, and a little zinc.

Regions containing this locality

Sonoran Desert, North America

Desert - 1,138 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


44 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 112; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Atacamite
Formula: Cu2(OH)3Cl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 121; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 126; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Baryte
Formula: BaSO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 128; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Bornite
Formula: Cu5FeS4
Reference: MRDS database Dep. ID file #10039670, MRDS ID #M050622.
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202; Williams, S.A. (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Buttgenbachite
Formula: Cu19(NO3)2(OH)32Cl4 · 2H2O
Description: Product of the oxidation of sulfide ores; in quartz veins cutting andesite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 149; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Chalcocite
Formula: Cu2S
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 163; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Chalcopyrite
Formula: CuFeS2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 111 (Table 4); Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 166.
Chlorargyrite
Formula: AgCl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 169; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 174; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Copper
Formula: Cu
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 186; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Crocoite
Formula: PbCrO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 194; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Cuprite
Formula: Cu2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 196; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Description: Occurs in quartz veins cutting andesite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202; Williams, S.A. (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Devilline var: Zincian Devilline
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Description: Occurs in quartz veins cutting andesite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202; Williams, S.A. (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Dolomite
Formula: CaMg(CO3)2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 111 (Table 4).
Dolomite var: Zincian Dolomite
Formula: Ca(Mg,Zn)(CO3)2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202; Williams, S.A. (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 220; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Galena
Formula: PbS
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 229; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Goethite
Formula: α-Fe3+O(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 233; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Gold
Formula: Au
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 235; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Goslarite
Formula: ZnSO4 · 7H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 242; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Hisingerite
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 251; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Iodargyrite
Formula: AgI
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 259, 298; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Habit: Tablets to 5 mm diameter
Colour: Zone-colored
Description: Lovely zone-colored crystals in vugs in milky quartz.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 274; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 275; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Litharge
Formula: PbO
Description: Occurs as an alteration product of wulfenite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 279; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Massicot
Formula: PbO
Colour: Yellow
Description: Earthy alteration product of galena.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 291.
Miersite
Formula: (Ag,Cu)I
Description: As overgrowths on iodargyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Molybdenite
Formula: MoS2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 302; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Mottramite
Formula: PbCu(VO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 307; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Pyrite
Formula: FeS2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 111 (Table 4).
Pyromorphite
Formula: Pb5(PO4)3Cl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 344; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Quartz
Formula: SiO2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Quartz var: Milky Quartz
Formula: SiO2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 357; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Siderite
Formula: FeCO3
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 370; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Smithsonite
Formula: ZnCO3
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 374.
Stromeyerite
Formula: AgCuS
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 385; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Svanbergite
Formula: SrAl3(PO4)(SO4)(OH)6
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 387; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: MRDS database Dep. ID file #10039670, MRDS ID #M050622.
Vanadinite
Formula: Pb5(VO4)3Cl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 411; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Willemite
Formula: Zn2SiO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 420; Williams, S.A, (1963), Oxidation of sulfide ores in the Mildren and Steppe mining districts, Pima Co., AZ, Econ.Geol.: 58: 1119-1125.
Wulfenite
Formula: Pb(MoO4)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 426.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Stromeyerite2.BA.40AgCuS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
'Atacamite'3.DA.10aCu2(OH)3Cl
'Buttgenbachite'3.DA.25Cu19(NO3)2(OH)32Cl4 · 2H2O
'Chlorargyrite'3.AA.15AgCl
'Iodargyrite'3.AA.10AgI
'Miersite'3.AA.05(Ag,Cu)I
Group 4 - Oxides and Hydroxides
'Cuprite'4.AA.10Cu2O
'Goethite'4.00.α-Fe3+O(OH)
'Lepidocrocite'4.FE.15γ-Fe3+O(OH)
'Litharge'4.AC.20PbO
'Massicot'4.AC.25PbO
Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Dolomite'5.AB.10CaMg(CO3)2
var: Zincian Dolomite5.AB.10Ca(Mg,Zn)(CO3)2
'Leadhillite'5.BF.40Pb4(CO3)2(SO4)(OH)2
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Siderite5.AB.05FeCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
'Baryte'7.AD.35BaSO4
'Brochantite'7.BB.25Cu4(SO4)(OH)6
'Crocoite'7.FA.20PbCrO4
'Devilline'7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
var: Zincian Devilline7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
'Ferrimolybdite'7.GB.30Fe2(MoO4)3 · nH2O
'Goslarite'7.CB.40ZnSO4 · 7H2O
'Gypsum'7.CD.40CaSO4 · 2H2O
'Jarosite'7.BC.10KFe3+ 3(SO4)2(OH)6
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Mottramite8.BH.40PbCu(VO4)(OH)
Pyromorphite8.BN.05Pb5(PO4)3Cl
Svanbergite8.BL.05SrAl3(PO4)(SO4)(OH)6
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
'Chrysocolla'9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
'Hisingerite'9.ED.10Fe3+2(Si2O5)(OH)4 · 2H2O
Willemite9.AA.05Zn2SiO4

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
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Stromeyerite2.4.6.1AgCuS
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
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
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX
Litharge4.2.4.1PbO
Massicot4.2.7.1PbO
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Iodargyrite9.1.5.1AgI
Miersite9.1.7.2(Ag,Cu)I
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
Smithsonite14.1.1.6ZnCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Group 19 - NITRATES CONTAINING HYDROXYL OR HALOGEN
Anhydrous Nitrates Containing Hydroxyl or Halogen
Buttgenbachite19.1.2.1Cu19(NO3)2(OH)32Cl4 · 2H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Goslarite29.6.11.2ZnSO4 · 7H2O
Gypsum29.6.3.1CaSO4 · 2H2O
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
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Devilline31.6.1.1CaCu4(SO4)2(OH)6 · 3H2O
Group 35 - ANHYDROUS CHROMATES
AXO4
Crocoite35.3.1.1PbCrO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Mottramite41.5.2.2PbCu(VO4)(OH)
A5(XO4)3Zq
Pyromorphite41.8.4.1Pb5(PO4)3Cl
Vanadinite41.8.4.3Pb5(VO4)3Cl
Group 43 - COMPOUND PHOSPHATES, ETC.
Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Svanbergite43.4.1.6SrAl3(PO4)(SO4)(OH)6
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES
Hydrated Normal Molybdates and Tungstates
Ferrimolybdite49.2.1.1Fe2(MoO4)3 · nH2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Willemite51.1.1.2Zn2SiO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Hisingerite71.1.5.2Fe3+2(Si2O5)(OH)4 · 2H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Devilline
var: Zincian Devilline
-Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Dolomite
var: Zincian Dolomite
-Ca(Mg,Zn)(CO3)2
Quartz
var: Milky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H AzuriteCu3(CO3)2(OH)2
H BrochantiteCu4(SO4)(OH)6
H ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H DevillineCaCu4(SO4)2(OH)6 · 3H2O
H FerrimolybditeFe2(MoO4)3 · nH2O
H Goethiteα-Fe3+O(OH)
H GoslariteZnSO4 · 7H2O
H GypsumCaSO4 · 2H2O
H HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H LeadhillitePb4(CO3)2(SO4)(OH)2
H Lepidocrociteγ-Fe3+O(OH)
H MottramitePbCu(VO4)(OH)
H Rosasite(Cu,Zn)2(CO3)(OH)2
H SvanbergiteSrAl3(PO4)(SO4)(OH)6
H Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
CCarbon
C AzuriteCu3(CO3)2(OH)2
C DolomiteCaMg(CO3)2
C LeadhillitePb4(CO3)2(SO4)(OH)2
C Rosasite(Cu,Zn)2(CO3)(OH)2
C SideriteFeCO3
C SmithsoniteZnCO3
C Dolomite (var: Zincian Dolomite)Ca(Mg,Zn)(CO3)2
NNitrogen
N ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
OOxygen
O AnglesitePbSO4
O AtacamiteCu2(OH)3Cl
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O BrochantiteCu4(SO4)(OH)6
O ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O CrocoitePbCrO4
O CupriteCu2O
O DevillineCaCu4(SO4)2(OH)6 · 3H2O
O DolomiteCaMg(CO3)2
O FerrimolybditeFe2(MoO4)3 · nH2O
O Goethiteα-Fe3+O(OH)
O GoslariteZnSO4 · 7H2O
O GypsumCaSO4 · 2H2O
O HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
O JarositeKFe3+ 3(SO4)2(OH)6
O LeadhillitePb4(CO3)2(SO4)(OH)2
O Lepidocrociteγ-Fe3+O(OH)
O LithargePbO
O MassicotPbO
O Quartz (var: Milky Quartz)SiO2
O MottramitePbCu(VO4)(OH)
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O Rosasite(Cu,Zn)2(CO3)(OH)2
O SideriteFeCO3
O SmithsoniteZnCO3
O SvanbergiteSrAl3(PO4)(SO4)(OH)6
O VanadinitePb5(VO4)3Cl
O WillemiteZn2SiO4
O WulfenitePb(MoO4)
O Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
O Dolomite (var: Zincian Dolomite)Ca(Mg,Zn)(CO3)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Dolomite (var: Zincian Dolomite)Ca(Mg,Zn)(CO3)2
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al SvanbergiteSrAl3(PO4)(SO4)(OH)6
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
Si Quartz (var: Milky Quartz)SiO2
Si QuartzSiO2
Si WillemiteZn2SiO4
PPhosphorus
P PyromorphitePb5(PO4)3Cl
P SvanbergiteSrAl3(PO4)(SO4)(OH)6
SSulfur
S AnglesitePbSO4
S BaryteBaSO4
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S DevillineCaCu4(SO4)2(OH)6 · 3H2O
S GalenaPbS
S GoslariteZnSO4 · 7H2O
S GypsumCaSO4 · 2H2O
S JarositeKFe3+ 3(SO4)2(OH)6
S LeadhillitePb4(CO3)2(SO4)(OH)2
S MolybdeniteMoS2
S PyriteFeS2
S StromeyeriteAgCuS
S SvanbergiteSrAl3(PO4)(SO4)(OH)6
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
Cl ChlorargyriteAgCl
Cl PyromorphitePb5(PO4)3Cl
Cl VanadinitePb5(VO4)3Cl
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca DevillineCaCu4(SO4)2(OH)6 · 3H2O
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
Ca Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Ca Dolomite (var: Zincian Dolomite)Ca(Mg,Zn)(CO3)2
VVanadium
V MottramitePbCu(VO4)(OH)
V VanadinitePb5(VO4)3Cl
CrChromium
Cr CrocoitePbCrO4
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe Goethiteα-Fe3+O(OH)
Fe HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe Lepidocrociteγ-Fe3+O(OH)
Fe PyriteFeS2
Fe SideriteFeCO3
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu BrochantiteCu4(SO4)(OH)6
Cu ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CopperCu
Cu CupriteCu2O
Cu DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cu Miersite(Ag,Cu)I
Cu MottramitePbCu(VO4)(OH)
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
Cu StromeyeriteAgCuS
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ZnZinc
Zn GoslariteZnSO4 · 7H2O
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
Zn SmithsoniteZnCO3
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn WillemiteZn2SiO4
Zn Devilline (var: Zincian Devilline)Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Zn Dolomite (var: Zincian Dolomite)Ca(Mg,Zn)(CO3)2
SrStrontium
Sr SvanbergiteSrAl3(PO4)(SO4)(OH)6
MoMolybdenum
Mo FerrimolybditeFe2(MoO4)3 · nH2O
Mo MolybdeniteMoS2
Mo WulfenitePb(MoO4)
AgSilver
Ag ChlorargyriteAgCl
Ag IodargyriteAgI
Ag Miersite(Ag,Cu)I
Ag StromeyeriteAgCuS
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
IIodine
I IodargyriteAgI
I Miersite(Ag,Cu)I
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
PbLead
Pb AnglesitePbSO4
Pb CrocoitePbCrO4
Pb GalenaPbS
Pb LeadhillitePb4(CO3)2(SO4)(OH)2
Pb LithargePbO
Pb MassicotPbO
Pb MottramitePbCu(VO4)(OH)
Pb PyromorphitePb5(PO4)3Cl
Pb VanadinitePb5(VO4)3Cl
Pb WulfenitePb(MoO4)

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]

Tithonian - Bajocian
145 - 170.3 Ma



ID: 2847731
Jurassic sedimentary and volcanic rocks

Age: Jurassic (145 - 170.3 Ma)

Stratigraphic Name: Gardner Canyon Formation; Rudolfo Redbeds; Recreation Red Beds; Topawa Group; Harquar Formation

Description: Sandstone and conglomerate derived from volcanic rocks with associated intermediate-composition lava flows, breccias, and tuffs. In southern Arizona this unit includes rocks of the Artesa sequence, Pitoikam Formation, Mulberry Wash volcanics, Rudolfo Red Beds, Recreation Red Beds, and Gardner Canyon Formation. In western Arizona it includes the Harquar Formation, rocks of Slumgullion, and related(?) unnamed units in the Kofa and Middle Mountains. This unit is characterized by maroon, brown, and purplish-gray volcanic-lithic sandstone and siltstone, with subordinate to abundant conglomerate, quartz-rich sandstone and sparse limestone. (150-170 Ma)

Comments: 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:{sandstone,siltstone,conglomerate}, Minor:{felsic volcanic,limestone}

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


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