Independence I Mine (Twin Springs), Texas Hill, Kinsley Mining District, East Belt, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Independence I Mine (Twin Springs) | Mine |
| Texas Hill | Hill |
| Kinsley Mining District | Mining District |
| East Belt | - not defined - |
| Mariposa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 39' 58'' North , 119° 56' 37'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Midpines | 1,204 (2011) | 13.7km |
| El Portal | 474 (2011) | 14.1km |
| Greeley Hill | 915 (2011) | 18.6km |
| Bear Valley | 125 (2011) | 18.9km |
| Mariposa | 2,173 (2017) | 20.2km |
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 |
|---|---|---|
| Mariposa Gem & Mineral Club | Mariposa, California | 20km |
Mindat Locality ID:
82229
Long-form identifier:
mindat:1:2:82229:2
GUID (UUID V4):
c004624a-d01e-4845-8332-00af91344846
A former lode Au-Pb mine located in the NE¼NE¼ sec. 23, T3S, R18E, MDM, 7.1 km (4.4 miles) ESE of Texaas Hill, along Jenkins Hill (½ mile E of the Briceburg-Kinsley Road), on National Forest land. The property consisted of a 20 acre unpatented claim. Early history not known, reactivated 1932.
Operated during the period 1932-1934. Owned by Charles Jordan (ownership disputed in 1955). MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in slate and schist. The ore body strikes N55W and dips 80NE at a thickness of 0.46 meter. Dikes are schistose and well-altered. Wallrocks are trocks of the Calaveras Group. An associated rock is Late Permian granite. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with a total length of 182.88 meters and an overall depth of 18.29 meters. They are comprised of a 300 foot crosscut adit and a 300 foot drift. Developing 300 feet of backs averaging at least 50 feet high.
Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS MRDS: | 10031085 |
|---|
Other Regions, Features and Areas containing this locality
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060430409
