Description
Charles E. Stevens, Sr.; Isaac Stevens
Commodities
PrimaryCopper
SecondaryGold, Silver
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlN-Ne Trending Minor Faults And Fissure Veins; Ore Deposited Where Diabase Dike Contacts Granite
Materials
Ore mineralsChalcopyrite, Chrysocolla, Cuprite, Malachite, Pyrite, Specularite
GangueLimonite, Magnetite
Geology
Host rockLimestone · Modoc Limestone;Coronado Quartzite
Associated rockBasalt,Granite · Tertiary Volcanic Flow;Basement Granite
StructureNormal Faulting Confined To Pre-Tertiary Rocks, With Vertical Desplacement Of 2000 Ft, Diabase Dike Intrudes Granite And Is Step-Faulted To East; Main Ore Deposits Are Located In Limestones Just Above Quartzite And Just Below Tertiary Basalts
Tectonic settingMetcalf Fault Block Region; Transition Between Basin And Range And Coloroado Plateau Provinces
AlterationMinor
Economic & production
Development statusProducer
First production1952
Last production1967
Discovery year1872
Identification
Deposit ID10048280
MRDS IDM800404
Alternate namesStella Mine, Stevens Mine, Alaska Tunnel, Stevens Molinar Mine Stevens Lease, Alaska MineMolinar Mine
RegionNA
Data scoreB
Coordinates33.1351, -109.36537
References
ABGMT-USBM FILE DATAARIZONA DEPARTMENT OF NATURAL RESOURCES FILA DATA, UNDER STEVENS MINEUSGS PP 43, P 352-353BLM DISTRICT SHEET 837BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE CO., AZ: MS THESIS, UNIV OF AZUSBM FILES, UNDER STEVENS GROUPABGMT CLIPPINGS FILE, UNDER STEVENS BROTHERS GOLD HOLDINGS