Mine detail: Keystone

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Location: Del Norte County, California, United States, North America
Lat / long: 41.99288, -123.96394
dep_id: 10029762
mrds_id: M007526
Commodity type: metallic
Major mineral: Copper
Trace mineral: Iron
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Copper
Reporter: Gere, W., Fraticelli, L. A. (Albers, J.)
hrock_type: Serpentinite
References:
  • Deposit:: AUBURY, L.E., 1908 : COPPER RESOURCES OF CALIFORNIA BULL. 50 : CALIF. MIN. BUR., P. 138
  • Deposit:: J.C. *RIEN, 1952 ; MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY; CALIF. JOUR. OF MINES AND GEOLOGY, VOL. 48 , NO. 4 ; DIV. OF MINES, P. 297
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