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Cascade Mining District, La Plata County, Colorado, USAi
Regional Level Types
Cascade Mining DistrictMining District
La Plata CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
37° 35' 51'' North , 107° 46' 32'' West
Latitude & Longitude (decimal):
37.59750,-107.77556
GeoHash:
G#: 9wemgs2jr
GRN:
N26W61
Type:
Mining District
KΓΆppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
114885
Long-form identifier:
mindat:1:2:114885:8
GUID (UUID V4):
b084cc52-7878-45fa-9349-d2cf7d9155b0


Castle Rock Srpings; MS 1778; Patented Claims: Bank; MS 1778; Sarah G.; MS 20762

Commodities (Major) - Silver; (Trace) - Gold, Zinc, Copper, Lead
Deposit Type: Vein
Development Status: Past Producer
Deposit Model: 85: Polymetallic veins
Host Rock Unit: Non-porphyritic Rocks--Diorite, Monzonite Porphyry And Quartz Trachyte
Structure: San Juan Uplift, Needle Mountains Uplift, Unnamed Faults
Host Rock: Gneiss, Limestone
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
β“˜ Calcite
Formula: CaCO3
Localities: Reported from at least 6 localities in this region.
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Dolomite
Formula: CaMg(CO3)2
β“˜ Galena
Formula: PbS
β“˜ Gold
Formula: Au
β“˜ Hematite
Formula: Fe2O3
β“˜ 'Limonite'
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
β“˜ Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
β“˜ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
β“˜Dolomite5.AB.10CaMg(CO3)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Unclassified
β“˜'Limonite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ MalachiteCu2(CO3)(OH)2
CCarbon
Cβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cβ“˜ CalciteCaCO3
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oβ“˜ CalciteCaCO3
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ HematiteFe2O3
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ QuartzSiO2
MgMagnesium
Mgβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgβ“˜ DolomiteCaMg(CO3)2
SiSilicon
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ GalenaPbS
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
CaCalcium
Caβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caβ“˜ CalciteCaCO3
Caβ“˜ DolomiteCaMg(CO3)2
FeIron
Feβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ HematiteFe2O3
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ MalachiteCu2(CO3)(OH)2
ZnZinc
Znβ“˜ SphaleriteZnS
AuGold
Auβ“˜ GoldAu
PbLead
Pbβ“˜ GalenaPbS

Localities in this Region

USA
USA

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

SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUAN COUNTIES, COLORADO: USBM MLA 35-83.
BARKER, FRED, 1969, PRECAMBRIAN GEO.
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