Mine detail: Western Nevada

Previously called 'Dyer Mine'

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Location

Lat / long:

38.93741, -119.2307

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold
Ore:	Chalcopyrite, Chrysocolla, Pyrite
Gangue:	Calcite, Epidote
Orebody form:	IRREGULAR SHOOTS AND PODS

Production

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

Geology

Host rock:	Rhyolite To Darite Volcanics;Qtz. Monzonite Porphyry
Host type:	Limestone
Associated rock:	Andesite To Dacite Tuff Breccia;Rhyolite Tuff, Siltstone, Lmst
Associated type:	Monzonite,Diorite
Structure:	Yerington Batholith
Tectonic:	Complex Basin And Range Faulting
Alteration processes:	Shallow Oxidation, Albitic, Sericitic, Propylitic

References

MRDS	M035870
DEP	10098378
Reference	{Deposit:: KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 117 .}{Deposit:: EINAUDI, M. T., 1977 , PETROSENISIS OF THE COPPER BEARING SKARN OF THE MASON VALLEY MINE, YERINGTON, NEV., ECON. GEOL. VOL. 72 NO. 5 .}
Reporter	Fiebelkorn, J. B. (Stewart, J. H.)