Mine detail: Mammoth Mine

Previously called 'Arizona Copper Co Group'

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Location

Lat / long:

33.13871, -109.35926

Resource(M)

Primary:	Copper
Ore:	Chrysocolla
Gangue:	Malachite
Orebody form:	TABULAR
Discovery year:	1872

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1890

Geology

Host rock:	Longfellow Limestone
Host type:	Limestone
Associated rock:	Morenci Granite Porphyry
Associated type:	Plutonic Rock
Structure:	Normal Faulting Confined To Pre-Tertiary Rocks, Vicinity Is Extensively Faulted ; At The Ne End Of The Tunnel, The Main Fissure Appears To Break Into The Porphyry And Is Complicated By Faulting
Tectonic:	Metcalf Fault Block
Alteration processes:	Pure Kaolin Occurs, No Sulfide Ore Is Present

References

MRDS	M001702
DEP	10027006
Reference	{Deposit:: LINDGREN, W., 1905 , THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA: U.S.G.S. PROFESSIONAL PAPER 43 , P. 353}{Deposit:: GALBRAITH, MINERALS OF ARIZONA, ARIZ BUREAU OF MINES GEOLOGICAL SERIES NO 15, BULL 149}{Deposit:: BLM DISTRICT SHEET 837}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ABGMT CLIPPINGS FILE, ARIZONA COPPER CO LTD}{Deposit:: STEVENS, 1911, THE COPPER HANDBOOK, V. 10, P. 356, ARIZONA COPPER CO LTD}{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.}
Reporter	Johnson, Kris H. (Creasey, S.C.), Calder, Susan R.