Mine detail: Grass Ravine and Workman

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Location: Placer County, California, United States, North America
Lat / long: 38.90656, -121.15159
dep_id: 10007683
mrds_id: C012100
Commodity type: metallic
Major mineral: Gold
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Gold
gangue: Quartz
work_type: Underground
Reporter: Nelson, Scott C. (Albers, John, P.)
hrock_type: Diorite
arock_type: Diorite
References:
  • Deposit:: LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 25 .
  • Deposit:: WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, PL. FACING P. 318 .
  • Production:: LOGAN ( 1936 )
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