Description
Jake Schneider
Commodities
PrimaryCopper, Silica
SecondaryGold, Silver, Molybdenum
Commodity typeM
Deposit
Deposit typePorphyry Cu, skarn-related
Model58: Porphyry Cu, skarn-related
Deposit sizeS
WorkingsSurface/Underground
Orebody formTabular
Ore controlApache Group Sediments Adjacent To Stock
Materials
Ore mineralsChalcocite, Chalcopyrite, Molybdenite, Pyrite, Quartzite
GangueAnhydrite
Geology
Host rockDiabase,Quartzite,Granodiorite · "Apache Group;Dripping Springs Quartzite", "Christmas Intrusive Complex"
Associated rockDiorite,Rhyodacite · Williamson Canyon Volcanics
StructureHorst Block Between Nnw Keystone Fault And O'Carroll Fault To East
AlterationEpidote-Chlorite-Clay-Magnetite In Diabase; Quartz-Sericite In Other Rocks; Also Biotite & Carbonate Minerals
Economic & production
Development statusPast Producer
Last production1962
Discovery year1885
Identification
Deposit ID10026848
MRDS IDM000503
Alternate namesChillito, Velasco Pit ?, Schneider Group
RegionNA
Data scoreB
Coordinates33.0662, -110.79791
References
ROSS, 1925, USGS BULL 771KEITH, S.B., 1975, UNPUB. MAPPINGBANKS & KRIEGER, 1977, USGS MAP GQ-1391ADMR FILE DATAPHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.Koski R A, Cook D S 1982 - Geology of the Christmas Porphyry Copper deposit, Gila County, Arizona: in Titley S R 1983 Advances in Geology of the Porphyry Copper Deposits, Southwestern North America University of Arizona Press, Tucson pp 353-374\nEastlick, J.T., 1968, Geology of the Christmas mine and vicinity, Banner mining district, Arizona, in Ridge, J.D., ed., Ore Deposits of the United States, 1933?1967: American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc., p. 1191?1210.The Portergeo webpage for the Christmas deposit contains a detailed description of the geology. 7/26/2010\nhttp://www.portergeo.com.au/index.aspCIMRILong, K.R., 1995, Production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Tucson, Arizona Geological Society Digest 20, p. 35-68.