Mine detail: Delta Mine

Previously called 'Max DeltaAce'

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Location

Lat / long: 33.32897, -112.09823

Resource(M)

Primary: Gold
Secondary: Copper, Silver
Ore: Chalcopyrite, Gold, Silver
Gangue: Hematite, Limonite, Quartz
Orebody form: LENTICULAR
Discovery year: 1895

Production

Operation type: Unknown
Deposit type: Vein
Production size: Small
Development status: Past Producer
First production started: 1913
Last production ended: 1942

Geology

Host rock:Estrella Gneiss
Host type:Gneiss
Associated rock:Telegraph Pass Granite And South Mountains Granodiorite
Associated type:Diorite
Structure:North-Northwest-Striking Dikes And Fractures, North-Northwest Fractures, Strong Local Disturbance On Fractures
Tectonic:Metamorphic Core Complex-Middle Tertiary Extension
Alteration processes:Pyrite Locally Altered To Limonite And Hematite. Wall Rocks-Sericitic Alteration

References

MRDSM241378
DEP10104089
Reference{Deposit:: ARIZ BUR MINES BULL 137, P. 166-167.}{Deposit:: ARIZ BUR MINES BULL 140, P. 94.}{Deposit:: ABGMT CLIPPINGS FILES.}{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: ADMR FILE DATA.}{Deposit:: REYNOLDS, S.J., 1982, GEOLOGY AND GEOCHRONOLOGY OF THE SOUTH MOUNTAINS, CENTRAL ARIZONA: TUCSON, UNIV. OF ARIZONA PH. D. DISSERTATION, 220 P.}{Other Database:: CIMRI}
ReporterRoth, Frances A. (Gest, Don E.), Orris, Greta J.