Mine detail: Monte Cristo Mine

Previously called ''

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Location

Lat / long:

33.1276, -109.37732

Resource(M)

Primary:	Copper
Ore:	Dioptase
Gangue:	Limonite
Orebody form:	IRREGULAR ORE SHOOTS
Discovery year:	1875

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1910

Geology

Host rock:	Modoc Limestone;Morenci Shale
Host type:	Granite
Associated rock:	Precambrian Granite Basement;Morenci Granite Porphyry
Associated type:	Quartz Monzonite,Diorite
Structure:	Fissure Veins In Limestone And Basal Granite Sequences; And Irregular Bodies On Or Near Contacts Of Intrusive Masses, Porphyry Dikes At Or Near Contact Of Basal Granite And Limestone Sequences
Tectonic:	Coronado Massif Surrounded By Peripheral Faults; Fault Block To East Of Massif Downthrown About 2000 Ft, Placing Carboniferous Limestones At Level Of Chase Creek
Alteration processes:	Minor; Limestones In This Vicinity Are Unaltered

References

MRDS	M800403
DEP	10048279
Reference	{Deposit:: BLM DISTRICT SHEET 837}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USGS PP 43}{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.}
Reporter	Calder, Susan R.