Arizona · Pinal, Maricopa County
Past Producer

Mammoth Group

Pinal, Maricopa County, Arizona, United States
GoldCopperSilverManganeseMolybdenum
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
TertiaryCopper, Silver, Manganese, Molybdenum
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlN-S Fault Planes & Se-Nw Fractures
Materials
GangueLimonite, Quartz
Geology
Host rockRhyolite
Structure2 N-Trending, Steeply W Dipping Faults
AlterationAll Mined Material Was Oxidized
Economic & production
Development statusPast Producer
First production1893
Last production1978
Identification
Deposit ID10102469
MRDS IDM002831
Alternate namesYoung Mines
RegionNA
Data scoreB
Coordinates33.45841, -111.48821
References
WILSON, ET AL, 1934, ABM BULL 137JOHNSON, 1972, USGS BULL 1355, 103 P.TENNEY, 1927-29, HISTORY OF MINING IN ARIZONA, SPECIAL COLLECTION, UNIV OF AZ LIBRARY & ABM LIBRARY, P. 344-45ABM FILE DATA