Commodities
PrimarySilver
SecondaryGold, Copper
TertiaryZinc, Lead, Manganese
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formLENSES
Ore controlContact Of Martin Limestone And Escabrosa Limestone
Materials
Ore mineralsPyrolusite, Wad
GangueCalcite, Quartz
Geology
Host rockLimestone · Escabrosa Limestone;Martin Limestone
Associated rockDacite
StructureEw Trending Faults Cutting N-S Trending Fault Systems, Ew Conley Springs Fault Is 1/4 Mile N Of Mine
Economic & production
Development statusProducer
First production1940
Last production1947
Identification
Deposit ID10048315
MRDS IDM899883
Alternate namesMagma Chief Mine
RegionNA
Data scoreB
Coordinates33.31536, -111.0982
References
ABGMT CLIPPINGS FILESABGMT-USBM FILE DATAAZ DEPT MIN RESOURCES FILE DATAFARNHAM,L.L., MANGANESE ORE DEPOSITS IN ARIZONA, 1930, ABM BULLETIN 127 P84SHORT, M.N., GEOLOGY AND ORE DEPOSITS OF THE SUPERIOR MINING AREA, ARIZONA, 1943ABM BULLETIN 151, PLATE I