Enterprise Mine (Barcroft Mine), Quartzburg, Hornitos Mining District, West Belt, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Enterprise Mine (Barcroft Mine) | Mine |
| Quartzburg | - not defined - |
| Hornitos Mining District | Mining District |
| West Belt | - not defined - |
| Mariposa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 31' 38'' North , 120° 10' 58'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bear Valley | 125 (2011) | 7.3km |
| Catheys Valley | 825 (2011) | 12.9km |
| Mariposa | 2,173 (2017) | 19.7km |
| Coulterville | 201 (2011) | 20.4km |
| Snelling | 231 (2011) | 22.5km |
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 | 20km |
A former lode Au mine located in secs. 2 & 3, T5S, R16E, and in sec. 34, T4S, R16E, MDM, 2.3 km (7,700 feet) ESE of Quartzburg and 5.5 km (3.4 miles) ENE of Hornitos. Operated during the periods 1880-1912, 1935 & 1940. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a vein deposit with a vein 2 to 4 feet thick, hosted in greenstone and slate. The ore body strikes NE and dips 30SE at a thickness of 1.22 meters. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) and/or Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings comprised of a 120 foot inclined shaft in 1904.
Production data are found in: Bowen, O.E., Jr. & C.H. Gray, Jr. (1957).
The last 2 shipments of ore ran about 0.3 ounce of Au and 0.5 ounce of Ag/ton.
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 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 | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10076872 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060430171
