Mine detail: Antietam Mine

Previously called 'Boulder ClaimShannon PropertyAntietam ClaimLeo C Claim'

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Location

Lat / long:

33.13316, -109.34759

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold
Ore:	Chalcocite, Chalcopyrite, Copper, Cuprite, Pyrite
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1902
Last production ended:	1903

Geology

Host type:	Granite
Associated rock:	Morenci Granite Porphyry;Precambrian Granite Basement
Associated type:	Diorite
Structure:	Ne Trending Narrow Porphyry Dikes In Vicinity; Veins In Region Consist Of Many Very Sharply Defined Fissure Planes Striking Nne, Adjacent To Morenci Quartz Monzonite Porphyry Intrusion; Porphyry Is Fragmented By Masses Of Quartzite, Limestone, And Shale
Tectonic:	Block Faulting Nw Of Copper King Massif With Downthrow Of About 1000 Ft
Alteration processes:	Extensive Surface Oxidation To Unknown Depths

References

MRDS	M001269
DEP	10026951
Reference	{Deposit:: LINDGREN, W., 1905, THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA: U.S.G.S. PROFESSIONAL PAPER 43, P. 354.}{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: WEED, 1914, THE COPPER HANDBOOK, V. 11, P. 318, DETROIT COPPER MINING CO OF ARIZ.}{Deposit:: STEVENS, 1911, THE COPPER HANDBOOK, V. 10, P. 1285, NEW ENGLAND AND CLIFTON COPPER CO.}{Deposit:: BENNETT, 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	Johnson, Kris H. (Creasey, S.C.), Calder, Susan R.