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Long Valley prospect, Casa Diablo Hot Springs, Long Valley Mining District, Mono County, California, USAi
Regional Level Types
Long Valley prospectProspect
Casa Diablo Hot SpringsHot Springs
Long Valley Mining DistrictMining District
Mono CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° 37' 15'' North , 118° 54' 45'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Mammoth Lakes7,946 (2018)6.1km
Sunny Slopes182 (2017)21.6km
June Lake629 (2011)22.7km
Swall Meadows220 (2017)27.0km
Round Valley435 (2011)36.4km
Mindat Locality ID:
83209
Long-form identifier:
mindat:1:2:83209:5
GUID (UUID V4):
d4b308e8-afc8-4959-bdd0-20f0431e7f82


A Au prospect located in sec. 8, T4S, R28E, MDM, 2.9 km (9,400 feet) S of Casa Diablo Hot Springs, along Laurel Creek, on National Forest land. Owned by Standard Industrial Minerals, Inc. (100.00%) (1997); owned and operated by Royal Gold Inc. (100.00%), Colorado (1997, 1996); owned and operated by Amax Gold, Inc. (100.00%), Colorado (1997). MRDS database stated accuracy for this location is 10,000 meters (sic).

The ore body is a hot spring deposit and a lenticular replacement deposit. The primary mode of origin is hydrothermal and the secondary mode is oxidation. Primary ore control was lithology. Local rocks include Quaternary glacial deposits.

Reserve-Resource data are found in: Skillings Mining Review (1997): 86(15) (April 12, 1997): 40.

Reserves and resources data: In-situ ore: 1997: demonstrated 32,400,000 metric tons of ore at 0.650000 grams/metric tion Au.

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Link to USGS MRDS:10140266

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North America PlateTectonic Plate
USA

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