Mine detail: Greenback Mine

Previously called ''

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Location

Lat / long:

32.51788, -112.16322

Resource(M)

Primary:	Gold
Secondary:	Silver, Copper
Ore:	Chrysocolla, Gold, Malachite
Gangue:	Quartz
Orebody form:	LENSES
Discovery year:	1895

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1939
Last production ended:	1940

Geology

Host rock:	Pinal Schist
Host type:	Dacite
Associated rock:	Dacite
Associated type:	Dacite
Structure:	Nw And Ne Trending Fault Zones, E-W Trending Fault Zones, E-W Trending Fault Zone Through Mine. 2 Parallel Nw Trending Faults 1/3 Mile Sw Of Mine

References

MRDS	M241171
DEP	10109774
Reference	{Deposit:: ABGMT CLIPPINGS FILES}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ADMR FILE DATA}{Deposit:: USGS MF-931}{Deposit:: TENNEY, JAMES, HISTORY OF MINING IN AZ 1927-29, P. 340-342}{Deposit:: TENNEY, J.B., ECONOMIC GEOLOGICAL RECONNAISSANCE OF CASA GRANDE MINING DISTRICT, AZ BUREAU OF MINES, 1934}
Reporter	Roth, Frances A. (Gest, Don E.)