Mine detail: Lakeman Group

Previously called ''

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Location

Lat / long:

33.0651, -109.40621

Resource(M)

Primary:	Silver
Secondary:	Gold, Copper, Lead
Tertiary:	Iron
Ore:	Galena, Hematite
Gangue:	Biotite, Chlorite, Epidote, Hornblende, Orthoclase
Orebody form:	IRREGULAR
Discovery year:	1875

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1904
Last production ended:	1935

Geology

Host type:	Diorite
Associated rock:	Morenci Granite Porphyry
Associated type:	Diorite
Structure:	Porphyry Appears Regionally As Stocks, Sheets, And Dikes Tightly Interbedded With Sedimentary Rocks, Porphyry Consists Largely Of Sills And Laccoliths Dipping 10-30 Sw Like The Sedimentary Strata; Most Claims Are Located On Extensive Exposures Of The Main Morenci Porphyry Stock
Tectonic:	Gold Gulch Fault Block
Alteration processes:	Sericitization Of Diorite-Porphyry Wall Rock; Porphyry Is Greatley Disintegrated

References

MRDS	M800408
DEP	10048283
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: BLM DISTRICT SHEET 841}{Deposit:: ABGMT CLIPPINGS FILE, LAKEMAN GROUP, MESSABI-MORENCI MINING COMPANY}{Deposit:: USBM FILES, LAKEMEN GROUP}{Deposit:: USGS PP 43, P. 292-296}{Deposit:: BENNETT, 1975, M.S. THESIS, UNIV OF AZ, 153 P.}{Deposit:: ARIZ BUR MINES BULL 137, P. 185}{Deposit:: USGS BULL 1355, P. 15-16}
Reporter	Calder, Susan R.