Horseshoe I Mine (Bower Cave), Jackass Mountain, Kinsley Mining District, East Belt, Mariposa County, California, USAi
Regional Level Types | |
---|---|
Horseshoe I Mine (Bower Cave) | Mine |
Jackass Mountain | Mountain |
Kinsley Mining District | Mining District |
East Belt | - not defined - |
Mariposa County | County |
California | State |
USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
37° 44' 53'' North , 120° 2' 6'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Greeley Hill | 915 (2011) | 8.3km |
Coulterville | 201 (2011) | 14.9km |
Groveland | 601 (2011) | 20.0km |
Bear Valley | 125 (2011) | 21.3km |
El Portal | 474 (2011) | 23.5km |
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 | 30km |
Mindat Locality ID:
82223
Long-form identifier:
mindat:1:2:82223:8
GUID (UUID V4):
e0e7bd71-e591-4a0b-a235-edf40c964af0
A former lode Au-Cu-Pb-Ag-Zn mine located in sec. 23, T2S, R17E, MDM, 2.3 km (7,700 feet) NNW of Jackass Mountain (coordinates of record), along the North Fork Merced River at Bower Cave, on private (patented) land within a National Forest. Discovered in 1867. Property is comprised of a 20 acre patented claim. Operated in 1867, 1879-1881, 1904-1913, and 1951 - ?. Operated by Joseph Dupret, Jr. and Irene Dupret. MRDS database stated accuracy for this location is 500 meters. UTM accurate. Based on Bower Cave, SW¼NW¼ sec. 19, T2S, R18E, Coulterville 15 minute quadrangle (1947). Property may be one of 3, NE¼NE¼ sec. 23, T2S, R17E, Jawbone Ridge quadrangle (1947).
Mineralization is a vein deposit with 2 nearly parallel quartz veins, hosted in slate, hornfels, clay, mud, shale and siltstone. The ore body strikes N70E and dips 65SE. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Local structures include: Metasedimentary ceavage which strikes NW and dips SW.
Workings include underground openings with a total length of 518.16 meters and an overall depth of 53.34 meters. The principal workings were comprised of a crosscut adit 200 feet long, 125 feet deep, 1,500 feet of drifts, a 50 foot winze on the S vein with 130 feet of drifts.
Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957), and Maurer, R.B., Wallace, R.E. (1956).
Sponge gold sent to the U.S. mint. Sulfide concentrate sent to Selby, Califotrnia, smelter. Mine and mill hand operated by 3 men processing 6 tons ore/day. Present activity unknown.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
ⓘ Chalcopyrite Formula: CuFeS2 |
ⓘ Galena Formula: PbS |
ⓘ Gold Formula: Au |
ⓘ Pyrite Formula: FeS2 |
ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Gold | 1.AA.05 | Au |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Sphalerite | 2.CB.05a | ZnS |
ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
ⓘ | Galena | 2.CD.10 | PbS |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
S | Sulfur | |
---|---|---|
S | ⓘ Chalcopyrite | CuFeS2 |
S | ⓘ Galena | PbS |
S | ⓘ Pyrite | FeS2 |
S | ⓘ Sphalerite | ZnS |
Fe | Iron | |
Fe | ⓘ Chalcopyrite | CuFeS2 |
Fe | ⓘ Pyrite | FeS2 |
Cu | Copper | |
Cu | ⓘ Chalcopyrite | CuFeS2 |
Zn | Zinc | |
Zn | ⓘ Sphalerite | ZnS |
Au | Gold | |
Au | ⓘ Gold | Au |
Pb | Lead | |
Pb | ⓘ Galena | PbS |
Other Databases
Link to USGS MRDS: | 10106866 |
---|
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 ID #0060430227