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Gold Bar Mine, Jackass Mountain, Kinsley Mining District, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Gold Bar Mine | Mine |
| Jackass Mountain | Mountain |
| Kinsley Mining District | Mining District |
| Mariposa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 43' 17'' North , 120° 0' 52'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Greeley Hill | 915 (2011) | 10.5km |
| Coulterville | 201 (2011) | 16.2km |
| Bear Valley | 125 (2011) | 19.3km |
| El Portal | 474 (2011) | 20.9km |
| Midpines | 1,204 (2011) | 21.3km |
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 |
|---|---|---|
| Mariposa Gem & Mineral Club | Mariposa, California | 27km |
A former lode Au mine located in the NW¼ (?) sec. 32, T2S, R18E, MDM, 1.2 km (3,900 feet) SE of Jackass Mountain (coordinates of record) (10 miles E of Coulterville), on National Forest land. Discovered in 1936. Operated intermittently starting in 1936. Operated by Earl A. Robinson. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit hosted in slate, quartz-biotite hornfels and greenstone. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include surface and underground openings comprised of a 35 foot shaft and a 138 foot crosscut driven to intersect the vein below the shaft. Development work intermittent since 1936. Also equipped with a wooden headframe and an ore bin.
Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957).
No record of production found.
Mineralization is a vein deposit hosted in slate, quartz-biotite hornfels and greenstone. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include surface and underground openings comprised of a 35 foot shaft and a 138 foot crosscut driven to intersect the vein below the shaft. Development work intermittent since 1936. Also equipped with a wooden headframe and an ore bin.
Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957).
No record of production found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10031068 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- East BeltMining Region
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060430388
