Mine detail: Chilito Mine

Previously called 'ChillitoVelasco Pit ?Schneider Group'

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Location

Lat / long:

33.0662, -110.79791

Resource(M)

Primary:	Silica, Copper
Secondary:	Molybdenum, Silver, Gold
Ore:	Chalcocite, Chalcopyrite, Molybdenite, Pyrite, Quartzite
Gangue:	Anhydrite
Discovery year:	1885

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1962

Geology

Host rock:	Apache Group;Dripping Springs Quartzite
Host type:	Diabase,Quartzite,Granite
Associated type:	Diorite,Rhyodacite
Structure:	Horst Block Between Nnw Keystone Fault And *arroll Fault To East
Alteration processes:	Epidote-Chlorite-Clay-Magnetite In Diabase; Quartz-Sericite In Other Rocks; Also Biotite & Carbonate Minerals

References

MRDS	M000503
DEP	10026848
Reference	{Deposit:: ROSS, 1925, USGS BULL 771}{Deposit:: KEITH, S.B., 1975, UNPUB. MAPPING}{Deposit:: BANKS & KRIEGER, 1977, USGS MAP GQ-1391}{Deposit:: ADMR FILE DATA}{Deposit:: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.}{Deposit:: PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.}{Other Database:: CIMRI}
Reporter	Orris, Greta J., Peterson, Jocelyn A.