Description
Charles E. Stevens And Isaac Stevens; Leszynsky Brothers
Commodities
PrimaryCopper
SecondarySilver
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR AND IN NARROW STRINGERS
Ore controlSmall Ne Trending Fissure Veins In Quartz Monzonite Porphyry
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Cuprite, Malachite
GangueLimonite, Magnetite
Geology
Host rockSchist
Associated rockQuartz Monzonite · Pinal Schist;Precambrian Granite Basement;Morenci Granite Porphyry
StructureNormal Faulting Confined To Pre-Tertiary Rocks, Ore Occurs In Narrow Stringers Within Ore Zone In Monzonite Porphyry
Tectonic settingMetcalf Fault Block Region
AlterationMinor
Economic & production
Development statusProducer
First production1937
Last production1951
Discovery year1872
Identification
Deposit ID10048272
MRDS IDM800395
Alternate namesStevens Lease
RegionNA
Data scoreB
Coordinates33.12343, -109.36759
References
ABGMT-USBM FILE DATAARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, UNDER STEVENS MINEBLM DISTRICT SHEET 837BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153P.