Mine detail: Omega Mine

Previously called 'Omega TunnelOmega Extension'

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Location

Lat / long:

31.85402, -110.76929

Resource(M)

Primary:	Copper
Secondary:	Silver, Lead
Tertiary:	Manganese, Gold, Molybdenum, Tungsten, Zinc
Ore:	Chalcopyrite, Powellite, Pyrite, Sphalerite
Gangue:	Sericite
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1877
Last production ended:	1920

Geology

Host rock:	Martin Formation;Escabrosa Limestone;Horquilla Limestone
Host type:	Limestone
Associated rock:	Continental Granodiorite
Associated type:	Diorite
Structure:	Homoclinal, Tilting And Broad Open Folds In S; Extensive Faulting I N N., Wnw Striking Thrust Fault Zone, Permeable Fracture Zones
Tectonic:	Basin & Range
Alteration processes:	Epidotized And Altered Limestone

References

MRDS	M050179
DEP	10103745
Reference	{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: ABM, 1971, FIELDNOTES V1, NO 2}{Deposit:: DREWES, 1971, USGS MAP I-613}{Deposit:: CREASEY & QUICK, 1955, USGS BULL 1027 F}{Deposit:: KEITH, 1974, ABM BULL 189}{Deposit:: JOHNSON, 1941, PHD THESIS, UNIV OF AZ, 111 P.}{Production:: KEITH, 1974; USBM FILE DATA}
Reporter	Peterson, Jocelyn A.