Commodities
PrimaryFeldspar
TertiaryNiobium (Columbium), REE, Tantalum
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface
Orebody formSILL-LIKE
Ore controlThe Pegmatite Has A Well-Defined Internal Structure: The Border Zone Is 1-2 Feet Thick, Fine Grained Quartz And Feldspar; The Wall Zone Is 10-20 Feet Thick, Med-Grained (1-3 Inches) Quartz, Feldspar, Muscovite, Garnet, Magnetite And Pods Of Allanite; The Core Is 40-200 Feet Thick, Microcline Up To 12 Feet Across, Quartz Up To 15 Feet Long.
Materials
Ore mineralsAllanite, Euxenite, Gadolinite, Microcline
Geology
Host rockGranite
StructureReg.Struct: Prec Schistosity N30e, Lcret Veins, Fissures, Dikes Nw To Nnw Regionally
Economic & production
Development statusPast Producer
Production years1924 - 1960
Identification
Deposit ID10009099
MRDS IDD001770
RegionNA
Data scoreB
Coordinates35.26974, -114.06108
References
OLSON AND HEINRICHS, 1960, RECONNAISSANCE OF BERYL-BEARING PEGMATITES IN THE RUBY MTNS., OTHER AREAS OF NEVADA, AND NORTHWEST MOHAVE COUNTY, ARIZONA: USGS BULL. 1082-D, P. 135 - 200.HEINRICH, E.W., 1960, SOME RARE-EARTH MINERAL DEPOSITS IN MOHAVE COUNTY, ARIZONA: UNIVERSITY OF ARIZONA BULLETIN 167.UNIVERSITY OF ARIZONA BULL. 167