Mine detail: Mary G Mine Group

Previously called 'Mary EPrincess Group'

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Location

Lat / long:

31.6743, -111.31569

Resource(M)

Primary:	Silver
Secondary:	Lead, Copper
Tertiary:	Zinc, Mercury
Ore:	Anglesite, Cinnabar, Galena, Malachite, Silver, Sphalerite
Gangue:	Barite, Calcite, Quartz
Orebody form:	IRREGULAR, LENSING
Discovery year:	1890

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1890
Last production ended:	1950

Geology

Host type:	Andesite
Associated type:	Andesite
Structure:	Faults Cutting Main Fault Include N 40 Deg E And N 60 Deg W, Northerly Dip
Alteration processes:	Partly Oxidized, Propylitized, Drusy Quartz

References

MRDS	M800085
DEP	10048097
Reference	{Deposit:: ABGMT 189, P. 114.}{Deposit:: DAVIS, R.E., 1955, GEOLOGY OF THE MARY G MINE AREA, PIMA COUNTY, ARIZONA: UNIVERSITY ARIZONA M.S. THESIS.}{Deposit:: NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.}{Other Database:: CIMRI}
Reporter	Gest, Don E., Orris, Greta J.