Mine detail: Casting Copper Mine

Previously called 'NBMG # 4409'

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Location

Lat / long:

38.94713, -119.27765

Resource(B)

Primary:	Copper
Secondary:	Silver
Tertiary:	Gypsum-Anhydrite, Gold
Ore:	Chalcocite, Chalcopyrite, Chrysocolla, Covellite
Gangue:	Garnet
Orebody form:	LENS, LARGE SKARN

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
Production years:	1916-1919

Geology

Host rock:	Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry
Host type:	Limestone
Associated rock:	Yerington Batholith;Yerington Batholith
Associated type:	Rhyolite
Structure:	Yerington Batholith, Fault Trending N 50 E Dipping 70 Nw
Tectonic:	Complex Basin And Range Faulting
Alteration processes:	Oxidation, Albitic, Sericitic, Propylitic, Weak Potassic

References

MRDS	M035872
DEP	10037696
Reference	{Deposit:: KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 114 .}{Deposit:: EINAUDI, M. T., 1977, PETROGENISIS OF THE COPPER - BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON DIST., NEV., ECON GEOL. VOL. 72 , NO. 5 .}{Deposit:: MORRE,J.S.,1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, AND ORMSBY COUNTIES, NEVADA; NBMG BULL 75.}{Deposit:: TELLURIDE CLAIMS,YERINGTON MINING DISTRICT,LYON COUNTY, QUADE VISIT SITE 7-11-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).}
Reporter	Fiebelkorn, J. B. (Stewart, J. H.), Marcus, S. (Doebrich, J.)