Mine detail: Mammoth Mine

Previously called 'Arizona Copper Co Group'

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.13871, -109.35926
dep_id: 10027006
mrds_id: M001702
Commodity type: metallic
Major mineral: Copper
Operation type: Unknown
Deposit type: Vein
Production size: Small ammount of material produced
Development status: Producer
ore: Chrysocolla
gangue: Malachite
orebody_fm: TABULAR
work_type: Underground
alteration: Pure Kaolin Occurs, No Sulfide Ore Is Present
conc_proc: Mineralization Along Fissure Vein; Chrysocolla May Have Been Formed By Descending Copper Solutions And Precipitated By Adsorption Of The Kaolin
ore_ctrl: Ne Trending Fissure Vein Follows Main Contact Between Limestone And 200 Ft Thick Porphyry Dike; Ore Bodies Chiefly Occur In Limestone And Not In Porphyry
Reporter: Johnson, Kris H. (Creasey, S.C.), Calder, Susan R.
hrock_unit: Longfellow Limestone
hrock_type: Limestone
arock_unit: Morenci Granite Porphyry
arock_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
Year first produced: 1890
disc_yr: 1872
discr: Isaac Stevens
References:
  • 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.
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