Mine detail: Mcconnell Mine

Previously called 'Red Mine'

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Location

Lat / long:

38.94241, -119.23015

Resource(B)

Primary:	Copper
Secondary:	Silver, Gold
Tertiary:	Gypsum-Anhydrite
Ore:	Chalcopyrite, Chrysocolla, Malachite, Pyrite
Gangue:	Calcite, Pyroxene
Orebody form:	ELLIPTICAL IN PLAN

Production

Operation type:	Unknown
Deposit type:	Sedimentary
Production size:	Small
Development status:	Past Producer
First production started:	1912

Geology

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

References

MRDS	M035869
DEP	10111427
Reference	{Deposit:: JOHNSON, A. T., 1907 , REPORT ON MCCONNELL GROUP YERINGTON DISTRICT, UNPUBL. RECORD, NEV. BUREAU OF MINES FILE.}{Deposit:: KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER NO. 114 .}{Deposit:: EINAUDI, M. T., 1977 , PETROGENISIS OF COPPER BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON DIST., NEV., ECON. GEOL., VOL. 72 , NO. 5 .}
Reporter	Fiebelkorn, J. B. (Stewart, J. H.)