Commodities
PrimaryGold
SecondaryCopper, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Ore controlNorth-Northwest To North Striking Extension Fractures-Veins
Materials
Ore mineralsChalcopyrite, Gold, Silver
GangueHematite, Limonite, Quartz
Geology
Host rockGneiss · Estrella Gneiss
Associated rockDiorite · Telegraph Pass Granite And South Mountains Granodiorite
StructureNorth-Northwest-Striking Dikes And Fractures, North-Northwest Fractures, Strong Local Disturbance On Fractures
Tectonic settingMetamorphic Core Complex-Middle Tertiary Extension
AlterationPyrite Locally Altered To Limonite And Hematite. Wall Rocks-Sericitic Alteration
Economic & production
Development statusPast Producer
First production1913
Last production1942
Discovery year1895
Identification
Deposit ID10104089
MRDS IDM241378
Alternate namesMax Delta, Ace
RegionNA
Data scoreB
Coordinates33.32897, -112.09823
References
ARIZ BUR MINES BULL 137, P. 166-167.ARIZ BUR MINES BULL 140, P. 94.ABGMT CLIPPINGS FILES.ABGMT-USBM FILE DATA.ADMR FILE DATA.REYNOLDS, S.J., 1982, GEOLOGY AND GEOCHRONOLOGY OF THE SOUTH MOUNTAINS, CENTRAL ARIZONA: TUCSON, UNIV. OF ARIZONA PH. D. DISSERTATION, 220 P.CIMRI