Description
M. S. Ponton And J. B. Webb
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsManganite, Psilomelane, Pyrolusite
GangueCalcite
Geology
Host rockAndesite
StructureOffset Into 2 Or More Segments By Crossfaulting
Economic & production
Development statusPast Producer
Discovery year1939
Identification
Deposit ID10102524
MRDS IDM003451
Alternate namesU. S. Group
RegionNA
Data scoreB
Coordinates33.76339, -113.22576
References
USBM-FILE DATA-CLUSTER NUMBER 480-BLACK NUGGET MINEARIZONA B.M. BULL. 127, P.67U.S.G.S. BULL. 710 P.140FARNHAM, L.L., AND STEWART, L.A, 1958, MN DEPOSITS OF WESTERN ARIZONA, U.S.B.M. INFO. CIRC. 7843.FARNHAM AND STEWART, 1958