Borasco Mine (Borasca Mine), Buscones Peak, Blind Spring Hill, Benton, Blind Spring Mining District (Blind Spring Hill Mining District; Benton Mining District), Benton Range, Mono County, California, USAi
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Latitude & Longitude (WGS84):
37° 47' 4'' North , 118° 28' 59'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Benton | 280 (2011) | 3.9km |
| Sunny Slopes | 182 (2017) | 29.3km |
| Swall Meadows | 220 (2017) | 34.0km |
| Dyer | 259 (2011) | 38.9km |
| Mesa | 251 (2011) | 41.0km |
A former Ag-Pb-Au mine located in secs. 7 & 18, T2S, R32E, MDM, 1.1 km (3,600 feet) NE of Buscones Peak, along Borasco Gulch, on National Forest land. Produced 1885-1889 and 1911-1912. MRDS database stated accuracy for this location is 100 meters.
Mineralization is hosted in granite. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include unspecified underground openings.
Production data are found in: Goodwin, J.G. (1957): 556.
Production information: This mine was a large producer in its early years. A small amount of high-grade ore was produced prior to 1915. 48,000 ounces of Ag by cyanidation. 1911-1912 shipped Ag-Pb ore. Smelter recovery was 154.8 ounmces Ag/ton and 20.32% Pb.
No additional production records were found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10102940 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Northern Basin and RangeWide Rift
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060510301
