Mine detail: XIV Group

Previously called 'Stevens Lease'

<< Back to the map

Location

Lat / long:

33.12343, -109.36759

Resource(M)

Primary:	Copper
Secondary:	Silver
Ore:	Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Malachite
Gangue:	Limonite, Magnetite
Orebody form:	IRREGULAR AND IN NARROW STRINGERS
Discovery year:	1872

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1937
Last production ended:	1951

Geology

Host type:	Schist
Associated rock:	Pinal Schist;Precambrian Granite Basement;Morenci Granite Porphyry
Associated type:	Quartz Monzonite
Structure:	Normal Faulting Confined To Pre-Tertiary Rocks, Ore Occurs In Narrow Stringers Within Ore Zone In Monzonite Porphyry
Tectonic:	Metcalf Fault Block Region
Alteration processes:	Minor

References

MRDS	M800395
DEP	10048272
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, UNDER STEVENS MINE}{Deposit:: BLM DISTRICT SHEET 837}{Deposit:: BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153P.}
Reporter	Calder, Susan R.