Mine detail: Little Chief Group

Previously called 'Double HeaderGrand Coulee'

<< Back to the map

Location

Lat / long:

48.14845, -119.01225

Resource(M)

Primary:	Silver, Gold
Secondary:	Copper
Ore:	Argentite, Chalcopyrite, Pyrargyrite, Pyrite, Stephanite
Gangue:	Calcite, Quartz, Sericite

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer

Geology

Host type:	Granite
Associated rock:	Colville
Associated type:	Granite
Structure:	To A Moderate Degree The Lode Is The Lode Is Sheared And Fractured By Post-Mineral Movement.
Alteration processes:	Granite Is Sericitized

References

MRDS	M056625
DEP	10109638
Reference	{Deposit:: WASH. DMG BULL. 37, PART II, P. 306.}{Deposit:: USGS BULL. 677, P. 74, PLATE 1}{Deposit:: WASH. DMG IC 46, P. 20}{Production:: WASH. DMG BULL 37, P. 306; USGS BULL 677, P. 74}
Reporter	Mccoy, Gail, Lawson, William A. (Evarts, Russell C.)