Mine detail: Dewey

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Location: Trinity County, California, United States, North America
Lat / long: 41.07345, -122.76305
dep_id: 10035868
mrds_id: M023803
Commodity type: metallic
Major mineral: Gold
Minor mineral: Copper, Iron
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Gold, Iron, Pyrite
gangue: Calcite, Quartz, Siderite
conc_proc: Oxidation Extends Few Ft. Below Surface, Except Where It Extends Down Fissures To Depths Of 20 Ft. Or More.
Reporter: Nelson, Scott C. (Albers, John, P.)
hrock_type: Diorite,Lamprophyre
arock_type: Diorite,Lamprophyre
disc_yr: 1899
References:
  • Deposit:: AVERILL, C.V., 1931, TRINITY COUNTY: CALIF. JOUR. OF MINES AND GEOLOGY, V. 27, P. 32
  • Deposit:: MACDONALD, D. F., 1912, GOLD LODES OF THE CARRVILLE DISTRICT: U.S. GEOLOGICAL SURVEY BULL. 530-D, P. 33
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