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Allard Stock, La Plata Mining District (California Mining District), La Plata County, Colorado, USAi
Regional Level Types
Allard Stock- not defined -
La Plata Mining District (California Mining District)Mining District
La Plata CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
37° 24' 24'' North , 108° 5' 20'' West
Latitude & Longitude (decimal):
37.40671,-108.08895
GeoHash:
G#: 9wehu3sjb
GRN:
N25W62
KΓΆppen climate type:
Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Mancos1,380 (2017)19.0km
Durango18,006 (2017)23.5km
Rico255 (2017)32.2km
Dolores963 (2017)37.4km
Cortez8,715 (2017)44.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Four Corners Gem & Mineral ClubDurango, Colorado24km
Mindat Locality ID:
309360
Long-form identifier:
mindat:1:2:309360:6
GUID (UUID V4):
ee96e745-3973-4ea1-abf4-9424469997a3


Former mines/claims: Gail; North Star; Morning Star; Bright Star; Offset Nos. 1-2; Northerner; Northwesterner; Minnie; Protection; Flaussie Nos. 1-3; Audrey Nos. 1-2; Prize; Chance Nos. 1-2; Unpatented Claims: Copper Hill; Jane Nos. 1-4; Bill; Beverly; Herb; Jeanie; Larry; Punkey; Skippy; Willie; Willow Springs; Esmerelda; Hill Nos. 1-3; Jean; Ute; Ruby Nos. 1-95; Shorty Nos. 1-4; Pinky Nos. 1-2; Madden No. 1; Hazel Nos. 1-2; Sandra; Marge Nos. 1-2

Deposit: Pyrite And Chalcopyrite Sparsely Disseminated Through Syenite, Which Is Traversed By Numerous, Discontinous Dikes Of Augite And Orthoclase, By Quartz Veins Containing Chalcopyrite And Pyrite, And By Quartz-Flourite Veins Carrying Pyrite And Some Galena. Oxidation Of Sulfides Visible Throughout Area.

Deposit type: Porphyry Cu

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


15 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Acanthite
Formula: Ag2S
β“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ Covellite
Formula: CuS
β“˜ Fluorite
Formula: CaF2
β“˜ Galena
Formula: PbS
β“˜ Hematite
Formula: Fe2O3
β“˜ 'Limonite'
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Bornite2.BA.15Cu5FeS4
β“˜Acanthite2.BA.35Ag2S
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜Pyrite2.EB.05aFeS2
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
β“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1
Unclassified
β“˜'Limonite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ MalachiteCu2(CO3)(OH)2
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oβ“˜ CalciteCaCO3
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ HematiteFe2O3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ QuartzSiO2
FFluorine
Fβ“˜ FluoriteCaF2
MgMagnesium
Mgβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ AcanthiteAg2S
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ CovelliteCuS
Sβ“˜ GalenaPbS
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
CaCalcium
Caβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
FeIron
Feβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ HematiteFe2O3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ CovelliteCuS
Cuβ“˜ MalachiteCu2(CO3)(OH)2
ZnZinc
Znβ“˜ SphaleriteZnS
AgSilver
Agβ“˜ AcanthiteAg2S
PbLead
Pbβ“˜ GalenaPbS

Other Databases

Link to USGS MRDS:10264283

Other Regions, Features and Areas containing this locality

North America
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

Eckel, E.B., (1938), Copper Ores Of The La Plata District, Colorado, And Their Platinum Content: Colorado Sci. Soc. Proc., V.13, No. 12, P. 647-664.
Schwartz, G.M., And Others, (1949), Disseminated Chalcopyrite With Platinum And Palladium, In Eckel, E.B., And Others, Geology And Ore Deposits Of The La Plata District, Colorado: USGS Prof. Paper 219, P. 63-65, 84-85.
Cbm Annual Report (1968), Topo Map
Werle, J. L., Ikramuddin, M., & Mutschler, F. E. (1984). Allard stock, La Plata Mountains, Coloradoβ€”an alkaline rock-hosted porphyry copper–precious metal deposit. Canadian Journal of Earth Sciences, 21(6), 630-641.
Summerlin, E. (2014). PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis).
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