Mine detail: Spragg Mine

Previously called 'Mason Valley Mines'

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Location: Lyon County, Nevada, United States, North America
Lat / long: 38.95185, -119.22931
dep_id: 10037693
mrds_id: M035866
Commodity type: metallic
Major mineral: Copper
Operation type: Unknown
Deposit type: Replacement
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite
orebody_fm: IRREGULAR
work_type: Surface
ore_ctrl: Shear Zone
Reporter: Fiebelkorn, J. B. (Stewart, J. H.)
arock_type: Diorite,Rhyolite
Structure: Numerous Faults
References:
  • MARCH 16 , 1907 , MINING AND SCIENTIFIC PRESS, P. 349
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