Mine detail: Jefferson Mine

Previously called 'Jefferson Tunnel'

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Location

Lat / long:

31.59846, -110.8579

Resource(M)

Primary:	Lead, Silver
Secondary:	Zinc, Copper, Gold
Ore:	Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue:	Barite, Hematite, Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1922
Last production ended:	1950

Geology

Host type:	Diorite
Associated rock:	Josephine Canyon Diorite
Associated type:	Quartz Monzonite,Granite
Structure:	Vertical Or Steeply Southward Dipping Quartz Veins In Diorite And Granite Porphyry, Hanging Wall And Footwall Of Dike Are Composed Of Granite Porphyry On Upper Levels Of Mine And Diorite On Lower Levels
Tectonic:	Salero Fault Block
Alteration processes:	Surface Oxidation To Depths Of 100 Ft.

References

MRDS	M241270
DEP	10046333
Reference	{Deposit:: USBM-ABGMT PRODUCTION FILE DATA}{Deposit:: USBM FILE DATA - CLUSTER #109, JEFFERSON MINE}{Deposit:: ABGMT CLIPPINGS FILE DATA, JEFFERSON GROUP OF CLAIMS}{Deposit:: ADMR FILE DATA, JEFFERSON MINE}{Deposit:: ARIZ BUR MINES BULL 191, P. 86}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: USGS BULL 582, P. 209}{Deposit:: USGS MAP I-614}{Deposit:: USGS PP 748, P. 9-11}
Reporter	Laraba, Peter H. (Calder, Susan)