Mine detail: Cerro Colorado Mine

Previously called 'HeintzelmanSilver Queen'

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Location

Lat / long:

31.66013, -111.27402

Resource(M)

Primary:	Silver
Secondary:	Copper, Lead, Gold
Tertiary:	Mercury, Zinc
Ore:	Anglesite, Argentite, Cerargyrite, Chalcopyrite, Cinnabar, Freibergite, Galena, Mercury, Polybasite, Pyrite, Silver, Sphalerite, Stephanite, Stromeyerite, Tetrahedrite
Gangue:	Barite, Calcite, Chlorite, Iron, Quartz, Sericite, Siderite
Orebody form:	IRREGULAR, LENSING
Discovery year:	1750

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1856
Last production ended:	1937

Geology

Host type:	Andesite
Associated type:	Rhyolite,Andesite
Alteration processes:	Hematite Stain & Drusy Quartz.

References

MRDS	M050286
DEP	10039562
Reference	{Deposit:: JONES, R.D., 1957, CERRO COLORADO DISTRICT: UNIV. ARIZ. M.S. THESIS.}{Deposit:: KEITH, S.B., 1974, INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189, P. 114.}{Deposit:: HEYLMUN, E.B., 1987, CERRO COLORADO SILVER MINE, ARIZONA: CALIFORNIA MINING JOURNAL, V. 56, NO. 11, P. 75-78.}{Other Database:: CIMRI}{Production:: ( 1 ) KEITH, S. B., 1974 . ( 2 ) ELSING, 1936 , ABM BULL. 140 . HEYLMUN, 1987, P. 77.}
Reporter	Johnson, Maureen G., Bolm, Karen S., Orris, Greta J.