Slate Mountain Mine, Slate Mountain, Slate Mountain District, Slate Mountains, El Dorado County, California, USAi
Regional Level Types | |
---|---|
Slate Mountain Mine | Mine |
Slate Mountain | Mountain |
Slate Mountain District | Mining District |
Slate Mountains | Mountain Range |
El Dorado County | County |
California | State |
USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
38° 50' 46'' North , 120° 43' 26'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Georgetown | 2,367 (2011) | 12.0km |
Camino | 1,750 (2011) | 12.7km |
Placerville | 10,650 (2017) | 14.5km |
Pollock Pines | 6,871 (2017) | 15.2km |
Coloma | 529 (2011) | 15.3km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
Club | Location | Distance |
---|---|---|
El Dorado County Mineral and Gem Society | Placerville, California | 14km |
Gold Country Treasure Seekers | Placerville, California | 14km |
Roseville Rock Rollers | Roseville, California | 50km |
Mindat Locality ID:
25087
Long-form identifier:
mindat:1:2:25087:5
GUID (UUID V4):
67cd2239-c63c-4347-9809-534ff1ecf290
A former lode Au occurrence/mine located in the SEΒΌNWΒΌ sec. 35, T12N, R11E, MDM, 4.3 km (2.6 miles) NW of Slate Mountain, on the W slope of the Slate Mountains, and 4.5 km (2.8 miles) SSE of Georgetown, on either private or National Forest land. Operated by E. W. Little. Operated intermittently during the period 1921 to 1941 and in 1951. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit. The ore body is 2.44 meters thick. The vein varies from 1Β½ to 8 feet thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings comprised of a 600 foot crosscut adit and 2,400 feet of drifts. A 10-stamp mill was erected on the property.
A small amount of Au was produced in 1951.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
β Cacoxenite Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O Description: Occurs as micro-balls and radiating spheres perched on wavellite. |
β Crandallite Formula: CaAl3(PO4)(PO3OH)(OH)6 Colour: Light buff to white Description: Sugary. |
β Quartz Formula: SiO2 References: |
β Quartz var. Smoky Quartz Formula: SiO2 References: |
β Rutile Formula: TiO2 |
β Strengite Formula: FePO4 · 2H2O References: |
β Variscite Formula: AlPO4 · 2H2O Habit: Tabular; bladed; blocky Description: Transparent to milky. References: |
β Wavellite Formula: Al3(PO4)2(OH,F)3 · 5H2O Habit: Prismatic Colour: Colourless; pale green (massive material) Description: Occurs as veins and crusts in quartz in well-formed prismatic crystals and massive material. References: |
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
β | Quartz | 4.DA.05 | SiO2 |
β | var. Smoky Quartz | 4.DA.05 | SiO2 |
β | Rutile | 4.DB.05 | TiO2 |
Group 8 - Phosphates, Arsenates and Vanadates | |||
β | Crandallite | 8.BL.10 | CaAl3(PO4)(PO3OH)(OH)6 |
β | Strengite | 8.CD.10 | FePO4 Β· 2H2O |
β | Variscite | 8.CD.10 | AlPO4 Β· 2H2O |
β | Cacoxenite | 8.DC.40 | Fe3+24AlO6(PO4)17(OH)12 Β· 75H2O |
β | Wavellite | 8.DC.50 | Al3(PO4)2(OH,F)3 Β· 5H2O |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Cacoxenite | Fe243+AlO6(PO4)17(OH)12 · 75H2O |
H | β Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
H | β Strengite | FePO4 · 2H2O |
H | β Variscite | AlPO4 · 2H2O |
H | β Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
O | Oxygen | |
O | β Cacoxenite | Fe243+AlO6(PO4)17(OH)12 · 75H2O |
O | β Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
O | β Quartz | SiO2 |
O | β Rutile | TiO2 |
O | β Quartz var. Smoky Quartz | SiO2 |
O | β Strengite | FePO4 · 2H2O |
O | β Variscite | AlPO4 · 2H2O |
O | β Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
F | Fluorine | |
F | β Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
Al | Aluminium | |
Al | β Cacoxenite | Fe243+AlO6(PO4)17(OH)12 · 75H2O |
Al | β Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
Al | β Variscite | AlPO4 · 2H2O |
Al | β Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
Si | Silicon | |
Si | β Quartz | SiO2 |
Si | β Quartz var. Smoky Quartz | SiO2 |
P | Phosphorus | |
P | β Cacoxenite | Fe243+AlO6(PO4)17(OH)12 · 75H2O |
P | β Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
P | β Strengite | FePO4 · 2H2O |
P | β Variscite | AlPO4 · 2H2O |
P | β Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
Ca | Calcium | |
Ca | β Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
Ti | Titanium | |
Ti | β Rutile | TiO2 |
Fe | Iron | |
Fe | β Cacoxenite | Fe243+AlO6(PO4)17(OH)12 · 75H2O |
Fe | β Strengite | FePO4 · 2H2O |
Other Databases
Link to USGS MRDS: | 10007146 |
---|
Other Regions, Features and Areas containing this locality
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
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170868
Slate Mountain Mine, Slate Mountain, Slate Mountain District, Slate Mountains, El Dorado County, California, USA