Mine detail: Copper Bluff Mine

Previously called 'Leszynsky Group Claim'

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Location

Lat / long:

33.09204, -109.35343

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold
Tertiary:	Molybdenum
Ore:	Chalcocite, Chalcopyrite, Molybdenite, Pyrite
Orebody form:	IRREGULAR
Discovery year:	1872

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1916
Last production ended:	1920

Geology

Host type:	Quartzite,Granite
Associated rock:	Precambrian Granite Basement;Coronado Quartzite;Morenci Granite Porphyry
Associated type:	Quartz Monzonite,Plutonic Rock
Structure:	Major W-E Trending Fault And Fissure Vein System; Porphyry Dike Intrusions Associated With Morenci Porphyry Stock Intrustion, Quartz Veins With Well-Defined Walls, Generally Trending Ne
Tectonic:	Block Faulting Ne Of Modoc Mountain With Downthrow Of About 150 Ft
Alteration processes:	Surface Oxidation To Unknown Depths

References

MRDS	M800420
DEP	10088901
Reference	{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: BLM DISTRICT MAP 839.}{Deposit:: ABGMT CLIPPINGS FILE, UNDER UNITED STATES COPPER CO AND LESENSKY COPPER CO.}{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.}{Deposit:: WEED, W. H., 1920, THE MINES HANDBOOK, V. XIV, P. 235, LESZYNSKY COPPER MINE.}{Deposit:: MOOLICK, R. T. AND J. J. DUREK, 1966, THE MORENCI DISTRICT, IN S. R. TITLEY AND C. L. HICKS, GEOLOGY OF THE PORPHYRY COPPER DEPOSITS.}{Deposit:: USGS PP 43, 1905.}{Other Database:: CIMRI}
Reporter	Calder, Susan R.