Mine detail: Last Chance Group

Previously called 'Jensen Group'

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Location: Grant County, Oregon, United States, North America
Lat / long: 44.59402, -118.70078
dep_id: 10033073
mrds_id: M014977
Commodity type: metallic
Major mineral: Gold, Silver, Zinc, Copper, Cobalt, Nickel
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Chalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite
gangue: Dolomite, Quartz
Reporter: Lee, W., Bradley, Robin (Walker, George W.), Gray, Jerry J.
hrock_type: Gabbro,Greenstone,Serpentinite
Structure: Shear Zone
References:
  • OREGON METAL MINES HANDBOOK, 1941 , ODGMI BULL. 14 - B, P. 120
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