Mine detail: Union Mine

Previously called 'Union & Eagle ClaimUnion Group'

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Location

Lat / long:

34.21505, -112.34852

Resource(M)

Primary:	Copper, Gold, Silver
Secondary:	Lead
Tertiary:	Zinc
Ore:	Chalcopyrite, Galena, Gold, Sphalerite
Gangue:	Calcite, Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1925

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1916
Last production ended:	1940

Geology

Host type:	Diorite
Associated rock:	Crown King Granodiorite (Informal Name);Rhyolite Dikes
Associated type:	Diorite
Structure:	Veins Trend N 20 E. Parallel To Foliation In Precambrian Metamorphic Rocks
Alteration processes:	None

References

MRDS	M800057
DEP	10088874
Reference	{Deposit:: U.S. GEOLOGICAL SURVEY BULL. 782, P. 164-165}{Deposit:: ABGMT - USBM FILE DATA}{Deposit:: DEWITT, ED, 1976, UNPUB M.S. THESIS UNIV. OF ARIZ, 150 PGS}
Reporter	Dewitt, Ed H.