Description
Charles E. Stevens, Sr.; Isaac Stevens
Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR, PODS
Ore controlVein Occurs Along Contact Between Granite And Diabase Dike.
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Cuprite, Malachite, Pyrite
Geology
Host rockGranite
Associated rockDiabase · Precambrian Granite-Granodiorite Complex;Granite-Granodiorite Complex
StructureNormal Faulting Confined To Pre-Tertiary Rocks, With Vertical Displacement Of 2000 Ft, Diabase Dike Intrudes Graite And Is Step-Faulted To East; Main Ore Deposits Are Confined To 20ne Of Crushed Granite Between Country Rock And Diabase Dike
Tectonic settingMetcalf Fault Block Region
AlterationMinor
Economic & production
Development statusProducer
Discovery year1875
Identification
Deposit ID10109001
MRDS IDM001699
Alternate namesStevens Lease, Stevens Group Mine
RegionNA
Data scoreB
Coordinates33.13316, -109.36565
References
LINDGREN, W., 1905, THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA: U.S.G.S. PROFESSIONAL PAPER 43, P. 353.USBM FILES, UNDER STEVENS GROUP.ABGMT-USBM FILE DATA.ARIZ. DEPT OF MINERAL RESOURCES FILE DATA, UNDER STEVENS MINE.BLM DISTRICT SHEET 837.BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.CIMRIU.S.G.S. P.P. 43 , P. 253 .