Mine detail: Armstrong No. 3 Prospect

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Location: Trinity County, California, United States, North America
Lat / long: 40.18318, -123.3
dep_id: 10033667
mrds_id: M020295
Commodity type: metallic
Trace mineral: Manganese
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Rhodochrosite
conc_proc: Hydrothermal Alteration
Reporter: Killman, K.; Albers, J.
hrock_type: Chert
References:
  • Deposit:: D.O.M. BULL. 152 1950 PP. 303 - 304
  • Deposit:: D.O.M. BULL. 125 1943 P. 194
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