Mine detail: Last Chance Mine

Previously called 'Ruby Lode Claim'

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Location: Okanogan County, Washington, United States, North America
Lat / long: 48.48844, -119.73506
dep_id: 10041534
mrds_id: M056614
Commodity type: metallic
Major mineral: Silver, Lead, Copper
Minor mineral: Zinc
Operation type: Unknown
Deposit type: Vein
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Galena, Pyrite, Sphalerite
gangue: Quartz
orebody_fm: SHOOTS
work_type: Underground
alteration: With 6 To 1*Displacement
ore_ctrl: Quartz Vein In Granodiorite And Mica Schist In And About Contact Of Both.
Reporter: Lawson, William A. (Evarts, Russell C.), Mccoy, Gail
hrock_unit: Salmon Creek
hrock_type: Diorite,Mica Schist
arock_unit: Loup Loup
arock_type: Diorite
Structure: Mica Schist - Granodiorite Contact Trends Generally Nw (Same As Regional Trend Of The Metamorphic Rocks In The Area., Parts Of The Vein Have Been Displaced 6-10 Ft By Transverse Faults; The Nw Segments Of The Vein Are Generally Displaced To The Sw.
disc_yr: 1886
discr: John Clumen And James Milliken
References:
  • Deposit:: WASH. DMG BULL. 37, PART II, P. 305.
  • Deposit:: WASH. DMG IC 49, P. 8, 17-18
  • Deposit:: WASH. GEOL. SUR. BULL 23, P. 189-260
  • Production:: WASH. DMG BULL 37, P. 305
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