Mine detail: Ventura Mine Group

Previously called 'Georgia MinesGeorge Morris MineMorris Group'

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Location

Lat / long:

31.45764, -110.7654

Resource(M)

Primary:	Copper, Gold, Silver
Secondary:	Lead
Tertiary:	Zinc, Manganese, Molybdenum
Ore:	Chalcocite, Chalcopyrite, Galena, Molybdenite, Pyrite, Sphalerite, Tennantite
Orebody form:	LENSES, IRREGULAR
Other material:	Psilomelane

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1913
Last production ended:	1950

Geology

Host rock:	Mt. Wrightson Formation
Host type:	Volcanic Rock (Aphanitic)
Associated rock:	Comoro Canyon Granite
Associated type:	Hornblendite
Structure:	Believed To Be Sw Extension Of Three R Mine Ne-Trending Fracture System, Breccia Pipe
Tectonic:	Nnw-Trending Patagonia Baolith
Alteration processes:	Silicification, Oxidation, Sericite-Quartz-Tourmaline

References

MRDS	M030395
DEP	10037098
Reference	{Deposit:: KEITH, 1975, ABM BULL 191.}{Deposit:: SCHRADER, 1915, USGS BULL 582.}{Deposit:: MOGER, 1969, MS THESIS, UNIV OF AZ.}{Deposit:: ABGMT FILE DATA, STANTON B. KEITH.}{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: ADMR FILE DATA, VENTURA MINE.}{Deposit:: USBM FILES VENTURA MINE GROUP.}{Deposit:: ABGMT CLIPPINGS FILE, VENTURA MINES INC, MORRIS MINE, GEORGE MORRIS MINE.}{Reserve-Resource:: MOGER, 1969, P.3}
Reporter	Peterson, Jocelyn A., Calder, Susan R.