Mine detail: Twenty Grand

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Location: Mono County, California, United States, North America
Lat / long: 37.51272, -118.32038
dep_id: 10007218
mrds_id: C010640
Commodity type: metallic
Major mineral: Gold, Silver
Minor mineral: Lead, Copper
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
gangue: Quartz
alteration: Oxidation
Reporter: Nelson, Scott C. (Albers, John, P.), Mosier, Dan
hrock_type: Quartzite
References:
  • Deposit:: GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53 , NOS. 3 & 4 , P. 569 .
  • Deposit:: TUCKER, W. B., AND SAMPSON, R. J., 1940 , MINERAL RESOURCES OF MONO COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 36 , NO. 2 , P. 139 - 140 , PL. 1 .
  • Production:: GOODWIN ( 1957 )
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