Mine detail: Rainbow No. 3 Prospect

Previously called 'Ulysses Claim GroupElephant Claim GroupBuffalo Claim GroupVictory Claim Group'

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Location

Lat / long:

47.41706, -116.50434

Resource(M)

Primary:	Lead
Secondary:	Silver
Tertiary:	Copper, Zinc
Ore:	Chalcopyrite, Galena, Silver, Sphalerite
Gangue:	Ankerite, Calcite, Pyrrhotite, Quartz
Orebody form:	GRANULES, PODS
Discovery year:	1907

Production

Operation type:	Underground
Production size:	None
Development status:	Prospect
First production started:	1930

Geology

Host rock:	Prichard Formation-Quartzite
Host type:	Quartzite
Structure:	Broad Much - Faulted Anticlinal Uplift Of Wnw Trend, Brecciation
Alteration processes:	Sericitization, Chloritization, Biotitization

References

MRDS	W019478
MAS	160090001
DEP	10073410
Reference	{Deposit:: Anderson, A. L., 1940 , Geology And Metalliferous Deposits Of Kootenai County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 53 , 67 P.}{Deposit:: Zartman, R. E., And Stacey, J. S., 1971 , Lead Isotopes And Mineralization Ages In Belt Supergroup Rocks, Northwestern Montana And Northern Idaho: Econ. Geology, V. 66 , No. 6 , P. 849 - 860}{Deposit:: Spokane Chronicle, April 10 , 1968 ; Nov. 21 , 1968}{Deposit:: Idaho Bureau Mines & Geology, Pamphlet 30. 22p.}{Deposit:: Administrative Report Bia-54, P 34 (Confidential).}
Reporter	Miller, Pat J., Western Field Operations Center (WFOC)