Mine detail: Yavapai Mine

Previously called 'Part of Arizona Copper Co Group'

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Location

Lat / long:

33.08566, -109.36121

Resource(M)

Primary:	Copper
Secondary:	Zinc
Ore:	Chalcocite, Chalcopyrite, Pyrite, Sphalerite
Gangue:	Epidote, Garnet, Magnetite, Pyroxene
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1932

Geology

Host rock:	Longfellow Limestone
Host type:	Limestone
Associated rock:	Morenci Granite Porphyry
Associated type:	Quartz Monzonite
Structure:	Complex System Of Branching Porphyry Dikes Enclosing Irregular Masses Of Alterred Limestone; Difficult To Connect The Bodies Exposed On Various Levels Of Mines In The Area, Dikes Contain Parallel Seams Of Chalcocite And Pyrite; Dikes Outcrop To Widths Of 30 Ft But Are Locally Pinched Below The 183 Ft Mine Level
Tectonic:	Dispersed Fractured Zones Associated With The Complex Copper Mountain Fault System
Alteration processes:	Limestones Alterred To Intergrowths Of Epidote, Garnet, Pyroxene, Magnetite, Pyrite, And Chalcopyrite; Extensive Surface Oxidation To Depths Of 100 Ft; Porphyry Greatly Alterred To Sericite And Quartz With Disseminated Pyrite

References

MRDS	M800396
DEP	10048273
Reference	{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: ABGMT CLIPPINGS FILE, ARIZONA COPPER CO LTD.}{Deposit:: BLM DISTRICT SHEET 840.}{Deposit:: USGS PP 43, P. 269-271.}{Deposit:: BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.}{Other Database:: CIMRI}
Reporter	Calder, Susan R.