Mine detail: Lead Zone Mine

Previously called 'Keystone and Galena'

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Location

Lat / long:

44.82209, -116.77739

Resource(M)

Primary:	Lead, Silver
Secondary:	Zinc, Gold
Tertiary:	Copper
Ore:	Anglesite, Galena
Gangue:	Quartz
Orebody form:	NARROW, PINCHING, SWELLING, BRANCHING

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Rhyolite,Andesite
Associated rock:	Seven Devils Volcanics-Andesite, Tuffs;Cret-Tert
Associated type:	Rhyolite,Andesite
Structure:	Faults, Brecciated Zones
Tectonic:	Island Arc
Alteration processes:	Oxidation, Bleaching, Silicification

References

MRDS	W012776
DEP	10070093
Reference	{Deposit:: COOK, E. F., 1954, MINING GEOLOGY OF THE SEVEN DEVILS REGION: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 97, 22 P.}{Deposit:: BRUCE, W. R., 1971, GEOLOGY, MINERAL DEPOSITS, AND ALTERATION OF PARTS OF THE CUDDY MTN. DIST., WESTERN IDAHO: CORVALLIS, OREGON STATE UNIV., PH.D. DISSERT., 165 P.}{Deposit:: WESTERN MINING NEWS, MAR. 18 , 1977 , P. 11 .}{Deposit:: 1954 COMPILE IDAHO BUREAU OF MINES AND GEOL., PAMPHLET 97.}{Deposit:: 1976 GEOLMAP KEYSTONE CO?}{Production:: COOK, E. F., 1954; IDAHO BUREAU OF MINES AND GEOLOGY, PAMPHLET 97., 22 P.}
Reporter	Benjamin, David A.; Miller, Pat