Description
Charles M. Shannon, Baylor Shannon
Commodities
PrimaryCopper
SecondarySilver, Gold
TertiaryGarnet, Iron, Zinc, Manganese
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlNe Trending Granite Porphyry Dikes, Triangular Area Of Sedimentary Deposits
Materials
Ore mineralsBrochantite, Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Malachite, Pyrite
GangueAsbestos, Calcite, Diopside, Epidote, Hematite, Kaolin, Limonite, Magnetite, Pyrolusite, Pyroxene, Quartz, Tremolite
Geology
Host rockShale,Limestone · Modoc Limestone;Morenci Shale;;Longfellow Limestone
Associated rockQuartz Monzonite · Morenci Granite Porphyry
StructureNe Trending Porphyry Dikes, Prominent Fault On N Side Of Shannon Mountain, Extensive Fracturing Of Sediments Due To Porphyry Intrusions And Faulting
Tectonic settingShannon Mountain
AlterationSome Of Largest Ore Bodies Were Originally Calcareous Sediments Altered Through Leaching And Oxidation, Vertical Extent Unknown
Economic & production
Development statusPast Producer
First production1902
Last production1918
Discovery year1875
Identification
Deposit ID10088880
MRDS IDM800161
Alternate namesShannon Mtn. Mine
RegionNA
Data scoreB
Coordinates33.11954, -109.36065
References
ABGMT-USBM FILE DATAABGMT CLIPPINGS FILELINDGREN, W., 1905, THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA, USGS PROFESSIONAL PAPER 43BLM DISTRICT MAP 840PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.CIMRI