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Cumberland Mine (Patented Claims: Cumberland; MS 2376; Judge Lamb; MS 2357), La Plata District (California District), La Plata Co., Colorado, USAi
Regional Level Types
Cumberland Mine (Patented Claims: Cumberland; MS 2376; Judge Lamb; MS 2357)Mine
La Plata District (California District)Mining District
La Plata Co.County
ColoradoState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 37° 26' 35'' North , 108° 0' 22'' West
Latitude & Longitude (decimal): 37.44305,-108.00611
GeoHash:G#: 9wejn223e
Locality type:Mine
Köppen climate type:Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Durango18,006 (2017)21.7km
Mancos1,380 (2017)27.3km
Rico255 (2017)27.8km
Bayfield2,567 (2017)43.4km
Dolores963 (2017)44.1km


REF:Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-74, 106-108, PL.18.
Deposit:: BLM MINERAL SURVEYS MS 2376, 2357, 2378, 2379, 2380, 2381, 2382
Deposit:: REED, J.R., 1936,
Commodities (Major) - Silver, Gold; (Trace) - Zinc, Copper, Lead
Deposit Type: Vein
Development Status: Past Producer
Deposit Model: 85: Polymetallic veins
Host Rock Unit: Cutler Formation
Structure: La Plata Dome, San Juan Uplift, Four Corners Platform
Host Rock: Sandstone, Clay, Mud, Mudstone, Shale
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


18 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
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).
Baryte
Formula: BaSO4
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: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Coloradoite
Formula: HgTe
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).
Dickite
Formula: Al2(Si2O5)(OH)4
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.
Gold
Formula: Au
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).
Hessite
Formula: Ag2Te
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).
Malachite
Formula: Cu2(CO3)(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).
Pearceite
Formula: [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Reference: Minerals of Colorado (1997) E.B. Eckel
Proustite
Formula: Ag3AsS3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrargyrite
Formula: Ag3SbS3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
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).
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Stephanite
Formula: Ag5SbS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Coloradoite2.CB.05aHgTe
Galena2.CD.10PbS
Hessite2.BA.60Ag2Te
Pearceite2.GB.15[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Proustite2.GA.05Ag3AsS3
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stephanite2.GB.10Ag5SbS4
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Dickite9.ED.05Al2(Si2O5)(OH)4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
Chalcocite2.4.7.1Cu2S
Hessite2.4.2.1Ag2Te
AmXp, with m:p = 1:1
Coloradoite2.8.2.5HgTe
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 3 - SULFOSALTS
ø > 4
Pearceite3.1.8.1[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
ø = 4
Stephanite3.2.4.1Ag5SbS4
ø = 3
Proustite3.4.1.1Ag3AsS3
Pyrargyrite3.4.1.2Ag3SbS3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H DickiteAl2(Si2O5)(OH)4
H AzuriteCu3(CO3)2(OH)2
H MalachiteCu2(CO3)(OH)2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O QuartzSiO2
O BaryteBaSO4
O DickiteAl2(Si2O5)(OH)4
O AzuriteCu3(CO3)2(OH)2
O MalachiteCu2(CO3)(OH)2
AlAluminium
Al DickiteAl2(Si2O5)(OH)4
SiSilicon
Si QuartzSiO2
Si DickiteAl2(Si2O5)(OH)4
SSulfur
S PyrargyriteAg3SbS3
S ChalcopyriteCuFeS2
S ProustiteAg3AsS3
S StephaniteAg5SbS4
S AcanthiteAg2S
S GalenaPbS
S SphaleriteZnS
S PyriteFeS2
S ChalcociteCu2S
S BaryteBaSO4
S Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Cu AzuriteCu3(CO3)2(OH)2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ProustiteAg3AsS3
As Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
AgSilver
Ag PyrargyriteAg3SbS3
Ag ProustiteAg3AsS3
Ag StephaniteAg5SbS4
Ag AcanthiteAg2S
Ag Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Ag HessiteAg2Te
SbAntimony
Sb PyrargyriteAg3SbS3
Sb StephaniteAg5SbS4
Sb Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
TeTellurium
Te ColoradoiteHgTe
Te HessiteAg2Te
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
HgMercury
Hg ColoradoiteHgTe
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

Late Triassic
201.3 - 237 Ma



ID: 2843236
Dolores Fm

Age: Late Triassic (201.3 - 237 Ma)

Stratigraphic Name: Dolores Formation

Description: Red siltstone, shale, sandstone, and limestone-pellet conglomerate

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:{siltstone,shale,sandstone}, Minor:{conglomerate}

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]

Permian - Devonian
251.902 - 419.2 Ma



ID: 3190426
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 419.2 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]

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


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.
 
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