Arizona · Yavapai County
Producer

Grand Island Mine

Yavapai County, Arizona, United States
CopperGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
TertiaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlFaulting, Shearing
Materials
Ore mineralsChalcopyrite, Tetrahedrite
GangueCalcite, Quartz
Other materialsPyrite
Geology
Host rockMeta-Basalt,Rhyolite · Shea Basalt;Deception Rhyolite Member Or Similar Metarhyolite
Associated rockRhyolite,Basalt,Granite
StructureFoliation In Metavolcanic Rocks Trends N65e To N80e, Vein Trends Ne And Crosscuts Foliation In Precambrian Rocks
AlterationMinor Chlorite, Sericite In Country Rocks
Economic & production
Development statusProducer
Identification
Deposit ID10027258
MRDS IDM002653
RegionNA
Data scoreB
Coordinates34.69726, -112.09491
References
ANDERSON, C.A. AND CREASEY, S.C., 1958 , GEOLOGY AND ORE DEPOSITS OF THE JEROME AREA, YAVAPAI COUNTY, ARIZONA: U.S.G.S. PROF. PAPER 308 , P. 153USGS BULL 782, P. 93