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Empire Mine, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USAi
Regional Level Types
Empire MineMine
Nash Mines group (Duquesne-Washington group)- not defined -
Washington Camp-Duquesne DistrictMining District
Patagonia DistrictMining District
Patagonia MtsMountain Range
Santa Cruz Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84): 31° 22' 4'' North , 110° 41' 34'' West
Latitude & Longitude (decimal): 31.36778,-110.69278
GeoHash:G#: 9t963n7fx
USGS MRDS Record:10137287
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Kino Springs136 (2011)11.1km
Francisco Miguel Cárdenas Valdez (Mascareñas)541 (2014)14.1km
Santa Cruz1,038 (2018)17.5km
Beyerville177 (2011)17.8km
Patagonia890 (2017)20.0km


A former underground Zn-Pb-Cu-Ag-Au mine located in East-central (center S½S½) sec. 3, T24S, R16E (protracted), in the southwestern part of the camp, about 900 feet north of the Silver Bell Mine, on private land. One of the oldest properties in the camp, patented by Capt. O'Connor in 1874. Owned at times, or in part, by the Duquesne Mining & Reduction Co. (1905- ); Callahan Zinc Lead Co.; Byrd; and Nash Mines.

Mineralization is a garnet zone in crystalline Permian Naco Group limestone close to the quartz monzonite contact. It contains partly oxidized sulfides, enriched in silver and lead near the surface. Gangue is garnet, silicated limestone, quartz, iron oxide, and calcium silicates. A contact with Laramide granodiorite is nearby.

Mineral deposits of the Washington-Duquesne area occupy a limestone-sediment belt (2.5 miles long by 1.25 miles wide) surrounded by igneous rocks which also form detached masses and dikes within the belt.

Workings include surface and shaft operations to 60 feet. This is one of the oldest productive mines of the district. Worked by 'chloriders', lessees, and companies intermittently since the 1870's. Total estimated and recorded production would be some 8,000 tons or more of ore averaging about 7% Zn, 4% Pb, 1% Cu, 7 oz. Ag/T, and minor Au.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Colour: Green
Reference: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 341-342; Arizona Bureau of Mines file data.
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Reference: Eckhard D. Stuart
Chalcopyrite
Formula: CuFeS2
Reference: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 342; Arizona Bureau of Mines file data.
Galena
Formula: PbS
Reference: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 342; Arizona Bureau of Mines file data.
Goethite
Formula: α-Fe3+O(OH)
Colour: Black
Fluorescence: None
Description: Masses of broad-bladed, radial crystal aggregates.
Reference: Self-collected: C.Lemanski, E. Stuart, R. Deblois, S. Misiur
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Self-collected: C.Lemanski, E. Stuart, R. Deblois, S. Misiur
Linarite
Formula: PbCu(SO4)(OH)2
Reference: Eckhard D. Stuart
Pyrite
Formula: FeS2
Reference: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 342; Arizona Bureau of Mines file data.
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Eckhard D. Stuart
Smithsonite
Formula: ZnCO3
Reference: Eckhard D. Stuart
Sphalerite
Formula: ZnS
Reference: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Arizona Bureau of Mines file data.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 342.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Group 5 - Nitrates and Carbonates
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Linarite7.BC.65PbCu(SO4)(OH)2
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
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
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H HemimorphiteZn4Si2O7(OH)2 · H2O
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H LinaritePbCu(SO4)(OH)2
H Rosasite(Cu,Zn)2(CO3)(OH)2
CCarbon
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C Rosasite(Cu,Zn)2(CO3)(OH)2
C SmithsoniteZnCO3
OOxygen
O Goethiteα-Fe3+O(OH)
O HemimorphiteZn4Si2O7(OH)2 · H2O
O AndraditeCa3Fe23+(SiO4)3
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O LinaritePbCu(SO4)(OH)2
O Rosasite(Cu,Zn)2(CO3)(OH)2
O SmithsoniteZnCO3
MgMagnesium
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si AndraditeCa3Fe23+(SiO4)3
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SSulfur
S SphaleriteZnS
S GalenaPbS
S ChalcopyriteCuFeS2
S PyriteFeS2
S LinaritePbCu(SO4)(OH)2
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe AndraditeCa3Fe23+(SiO4)3
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu LinaritePbCu(SO4)(OH)2
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SphaleriteZnS
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
Zn SmithsoniteZnCO3
PbLead
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2

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

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 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]

Kungurian - Moscovian
272.95 - 315.2 Ma



ID: 2734843
Permian to Pennsylvanian sedimentary rocks

Age: Paleozoic (272.95 - 315.2 Ma)

Stratigraphic Name: Hermit Formation; Supai Group; Schnebly Hill Formation; Naco Group

Description: Interbedded sandstone, shale, and limestone usually characterized by ledgy outcrops. Orange to reddish sandstone forms cliffs near Sedona. This unit includes Supai Group and Hermit Shale in northern Arizona and Naco Group in southern Arizona. It was deposited in coastal-plain to shallow-marine settings during time of variable and changing sea level. Rocks of this map unit in southern Arizona may be in part equivalent to Permian rocks of map unit P in central and northern Arizona. (280-310 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,shale,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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Crosby, W.O. (1906) The limestone-granite contact deposits of Washington Camp, Arizona: American Institute of Mining Engineers, Transactions: 36: 626-646.
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 341-342.
Hinton, R.J. (1878) 1000 Old Arizona Mines (revised 1970).
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10137287, MAS ID #0040230182.


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