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King Ainsworth Mine group (Oregon Mine group), Portal, California Mining District (Chiricahua Mining District), Chiricahua Mountains, Cochise County, Arizona, USAi
Regional Level Types
King Ainsworth Mine group (Oregon Mine group)Group of Mines
PortalVillage
California Mining District (Chiricahua Mining District)Mining District
Chiricahua MountainsMountain Range
Cochise CountyCounty
ArizonaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
31° 58' 36'' North , 109° 11' 3'' West
Latitude & Longitude (decimal):
31.97667,-109.18417
GeoHash:
G#: 9tdmgmnt8
GRN:
N22W66
Type:
Group of Mines
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Rodeo101 (2015)21.2km
Cotton City388 (2011)31.3km
San Simon165 (2011)32.6km
Animas237 (2011)35.7km
Sunizona281 (2011)45.5km
Mindat Locality ID:
32179
Long-form identifier:
mindat:1:2:32179:3
GUID (UUID V4):
46ab9086-b70c-478c-a590-2bf5905648ff


A group of former small underground Zn-Pb-Cu-Ag-Au-W-Mo mines located in the central border of sections W½ sec. 4 & sec. 5, T.17S., R. 31E, on the NE side of Davis Mountain and 1 mile S of Harris Mountain, on private land. Discovered 1885. The group was comprised of 60 unpatented claims in 1921, and 67 in 1962. Produced 1885-1952. Owned by E.F. Schaaf (1962); also, among several firms at times, including the King Copper Co.; Manning & Newton; Ainsworth Copper Co.; Cochise Consolidated Copper Co.; Portal Mines Development Co.; Coronado Copper Co.; and, the Arizona Consolidated Metal Producers Corp.

Mineralization is irregular and consists of spotty base metal oxides, carbonates and sulfides with minor scheelite along shear zones and disseminated in silicated and pyrometamorphosed Mississippian to Permian limestone along a zone of thrust faulting. The ore zone strikes E-W and dips 60-70N. Host rock units are the Escabrosa Limestone and the Naco Group Limestone. Ore control was the shear zone and associated disseminations, faults and fissures in limestone. Alteration is silicification.

Local structures include a zone of thrust faulting, orientation is WNW, NE of the mine. Pinal Schist and Bolsa Quartzite are NE of the thrust.

Workings include shaft and tunnels. One adit is 850 feet long along the contact, dips 60-70N, with crosscuts and stopes. Two vertical shafts 340 & 500 feet deep, one 250 foot adit. Open cuts and other workings caved and inaccessible in 1962. The length of workings is estimated at 762 meters with a depth of 152.4 meters.

A total of at least 1,150 tons of ore produced intermittently from the late 1880's to 1952.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


21 valid minerals.

Detailed Mineral List:

ⓘ Anglesite
Formula: PbSO4
ⓘ Aragonite
Formula: CaCO3
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Galena
Formula: PbS
ⓘ Hematite
Formula: Fe2O3
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
ⓘ Hydrozincite
Formula: Zn5(CO3)2(OH)6
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ 'Manganese Oxides'
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Powellite
Formula: Ca(MoO4)
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Wollastonite
Formula: Ca3(Si3O9)

Gallery:

PbSO4ⓘ Anglesite
CaCO3ⓘ Aragonite
CaCO3ⓘ Calcite
Zn4Si2O7(OH)2 · H2Oⓘ Hemimorphite
Zn5(CO3)2(OH)6ⓘ Hydrozincite
ⓘ 'Manganese Oxides'
Ca(MoO4)ⓘ Powellite
ZnCO3ⓘ Smithsonite
Ca3(Si3O9)ⓘ Wollastonite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘCerussite5.AB.15PbCO3
ⓘAragonite5.AB.15CaCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘRosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
ⓘHydrozincite5.BA.15Zn5(CO3)2(OH)6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘPowellite7.GA.05Ca(MoO4)
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
Unclassified
ⓘ'Limonite'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Manganese Oxides'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ HydrozinciteZn5(CO3)2(OH)6
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ HydrozinciteZn5(CO3)2(OH)6
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ AnglesitePbSO4
Oⓘ AragoniteCaCO3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ HydrozinciteZn5(CO3)2(OH)6
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ PowelliteCa(MoO4)
Oⓘ QuartzSiO2
Oⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Oⓘ ScheeliteCa(WO4)
Oⓘ SmithsoniteZnCO3
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ WollastoniteCa3(Si3O9)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ WollastoniteCa3(Si3O9)
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ PowelliteCa(MoO4)
Caⓘ ScheeliteCa(WO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ WollastoniteCa3(Si3O9)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
ZnZinc
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ HydrozinciteZn5(CO3)2(OH)6
Znⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
MoMolybdenum
Moⓘ PowelliteCa(MoO4)
WTungsten
Wⓘ ScheeliteCa(WO4)
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS

Other Databases

Link to USGS MRDS:10046190

Other Regions, Features and Areas containing this locality

Mexico
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

MRDS database Dep. ID file #10046190, MRDS ID #M241030; and, Dep. ID #10258364, MAS ID #0040030165.
Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650.
Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187: 53 (Table 4).
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