Commodities
PrimarySilver
SecondaryGold, Copper, Lead
TertiaryIron
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlNe Trending Fissure Vein In Diorite Porphyry Mass
Materials
Ore mineralsGalena, Hematite
GangueBiotite, Chlorite, Epidote, Hornblende, Orthoclase
Geology
Host rockDiorite
Associated rockDiorite · Morenci Granite Porphyry
StructurePorphyry 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 settingGold Gulch Fault Block
AlterationSericitization Of Diorite-Porphyry Wall Rock; Porphyry Is Greatley Disintegrated
Economic & production
Development statusProducer
First production1904
Last production1935
Discovery year1875
Identification
Deposit ID10048283
MRDS IDM800408
RegionNA
Data scoreB
Coordinates33.0651, -109.40621
References
ABGMT-USBM FILE DATABLM DISTRICT SHEET 841ABGMT CLIPPINGS FILE, LAKEMAN GROUP, MESSABI-MORENCI MINING COMPANYUSBM FILES, LAKEMEN GROUPUSGS PP 43, P. 292-296BENNETT, 1975, M.S. THESIS, UNIV OF AZ, 153 P.ARIZ BUR MINES BULL 137, P. 185USGS BULL 1355, P. 15-16