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Copper Hill Mine (Gold Eagle; Delaware Claims), La Plata, La Plata District (California District), La Plata Co., Colorado, USAi
Regional Level Types
Copper Hill Mine (Gold Eagle; Delaware Claims)Mine
La Plata- not defined -
La Plata District (California District)Mining District
La Plata Co.County
ColoradoState
USACountry

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Key
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Latitude & Longitude (WGS84): 37° 24' 0'' North , 108° 3' 59'' West
Latitude & Longitude (decimal): 37.40000,-108.06667
GeoHash:G#: 9wehubkqb
Locality type:Mine
Köppen climate type:Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Mancos1,380 (2017)20.6km
Durango18,006 (2017)21.5km
Rico255 (2017)32.7km
Dolores963 (2017)39.5km
Bayfield2,567 (2017)45.7km


A copper-silver mine located near La Plata & 21 miles NW of Durango. Started 1911 and closed 1917. Produced 2,300 tons of ore yielding 4,500 oz. Ag & 225,000 pounds of Cu (1911-1917). Workings featured an open cut plus a 600 foot long tunnel (adit ?).

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


27 valid minerals.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Albite
Formula: Na(AlSi3O8)
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Apatite'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Minerals of Colorado (1997) Eckel, E. B.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
'Biotite'
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Bornite
Formula: Cu5FeS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Chalcocite
Formula: Cu2S
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcopyrite
Formula: CuFeS2
Reference: Rocks & Min.: 13: 307.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
'Clinopyroxene Subgroup'
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Covellite
Formula: CuS
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Enargite
Formula: Cu3AsS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Fluorite
Formula: CaF2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Galena
Formula: PbS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'K Feldspar'
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Malachite
Formula: Cu2(CO3)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Marcasite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Merenskyite
Formula: (Pd,Pt)(Te,Bi)2
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Palladium ?
Formula: (Pd,Pt)
Reference: Minerals of Colorado (1997) E.B. Eckels
Platinum ?
Formula: Pt
Description: May be in solid solution in chalcopyrite.
Reference: Minerals of Colorado (1997) E.B. Eckel
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Rutile
Formula: TiO2
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Sanidine
Formula: K(AlSi3O8)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sopcheite
Formula: Ag4Pd3Te4
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Titanite
Formula: CaTi(SiO4)O
Reference: Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Palladium ?1.AF.10(Pd,Pt)
Platinum ?1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Enargite2.KA.05Cu3AsS4
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Merenskyite2.EA.20(Pd,Pt)(Te,Bi)2
Pyrite2.EB.05aFeS2
Sopcheite2.BC.55Ag4Pd3Te4
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Albite9.FA.35Na(AlSi3O8)
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Sanidine9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Clinopyroxene Subgroup'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Platinum Group Metals and Alloys
Palladium ?1.2.1.4(Pd,Pt)
Platinum ?1.2.1.1Pt
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
Marcasite2.12.2.1FeS2
Merenskyite2.12.14.4(Pd,Pt)(Te,Bi)2
Pyrite2.12.1.1FeS2
Miscellaneous
Sopcheite2.16.10.1Ag4Pd3Te4
Group 3 - SULFOSALTS
ø = 4
Enargite3.2.1.1Cu3AsS4
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(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
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Biotite'-
'Clinopyroxene Subgroup'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
H AzuriteCu3(CO3)2(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C AzuriteCu3(CO3)2(OH)2
OOxygen
O MagnetiteFe2+Fe23+O4
O HematiteFe2O3
O MalachiteCu2(CO3)(OH)2
O Limonite(Fe,O,OH,H2O)
O Garnet GroupX3Z2(SiO4)3
O SanidineK(AlSi3O8)
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O QuartzSiO2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O AzuriteCu3(CO3)2(OH)2
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O RutileTiO2
O TitaniteCaTi(SiO4)O
FFluorine
F FluoriteCaF2
NaSodium
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al SanidineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si SanidineK(AlSi3O8)
Si QuartzSiO2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si TitaniteCaTi(SiO4)O
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
S ChalcociteCu2S
S MarcasiteFeS2
S EnargiteCu3AsS4
S BorniteCu5FeS4
S CovelliteCuS
KPotassium
K SanidineK(AlSi3O8)
CaCalcium
Ca FluoriteCaF2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
Fe HematiteFe2O3
Fe PyriteFeS2
Fe MarcasiteFeS2
Fe BorniteCu5FeS4
Fe Limonite(Fe,O,OH,H2O)
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe AegirineNaFe3+Si2O6
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcociteCu2S
Cu EnargiteCu3AsS4
Cu BorniteCu5FeS4
Cu AzuriteCu3(CO3)2(OH)2
Cu CovelliteCuS
ZnZinc
Zn SphaleriteZnS
AsArsenic
As EnargiteCu3AsS4
PdPalladium
Pd Merenskyite(Pd,Pt)(Te,Bi)2
Pd SopcheiteAg4Pd3Te4
Pd Palladium(Pd,Pt)
AgSilver
Ag SopcheiteAg4Pd3Te4
TeTellurium
Te Merenskyite(Pd,Pt)(Te,Bi)2
Te SopcheiteAg4Pd3Te4
PtPlatinum
Pt PlatinumPt
PbLead
Pb GalenaPbS

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

Bartonian - Maastrichtian
37.8 - 72.1 Ma



ID: 3002988
Laramide intrusive rocks

Age: Phanerozoic (37.8 - 72.1 Ma)

Description: Mainly intermediate to felsic compositions; some mafic

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{granitic,dioritic}

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]

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

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]

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

References

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