Mine detail: Molinar Alaska Mine

Previously called 'Stella MineStevens MineAlaska TunnelStevens Molinar Mine Stevens LeaseAlaska Mine'

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Location

Lat / long: 33.1351, -109.36537

Resource(M)

Primary: Copper
Secondary: Silver, Gold
Ore: Chalcopyrite, Chrysocolla, Cuprite, Malachite, Pyrite, Specularite
Gangue: Limonite, Magnetite
Orebody form: IRREGULAR
Discovery year: 1872

Production

Operation type: Unknown
Production size: Small
Development status: Producer
First production started: 1952
Last production ended: 1967

Geology

Host rock:Modoc Limestone;Coronado Quartzite
Host type:Limestone
Associated rock:Tertiary Volcanic Flow;Basement Granite
Associated type:Basalt,Granite
Structure:Normal 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:Metcalf Fault Block Region; Transition Between Basin And Range And Coloroado Plateau Provinces
Alteration processes:Minor

References

MRDSM800404
DEP10048280
Reference{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ARIZONA DEPARTMENT OF NATURAL RESOURCES FILA DATA, UNDER STEVENS MINE}{Deposit:: USGS PP 43, P 352-353}{Deposit:: BLM DISTRICT SHEET 837}{Deposit:: BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE CO., AZ: MS THESIS, UNIV OF AZ}{Deposit:: USBM FILES, UNDER STEVENS GROUP}{Deposit:: ABGMT CLIPPINGS FILE, UNDER STEVENS BROTHERS GOLD HOLDINGS}
ReporterCalder, Susan R.