Commodities
PrimaryFeldspar
TertiaryQuartz, Thorium, Niobium (Columbium), Tantalum, Beryllium, REE
Commodity typeB
Deposit
Deposit sizeY
Orebody formLENSOID
Materials
Ore mineralsApatite, Beryl, Columbite, Feldspar, Fluorite, Microlite, Pyrochlore, Quartz, Tantalite
Economic & production
Development statusProducer
Identification
Deposit ID10017698
MRDS IDDC04051
Alternate namesSpillman Prospect
RegionNA
Data scoreB
Coordinates38.93833, -105.21335
References
HEINRICH, E.W. AND GROSS, E.B., 1960, FLUORCITE AND ASSOCIATED MINERALS FROM THE BLACK CLOUD PEGMATITE, TELLER COUNTY, COLORADO: AM. MIN., VOL. 45, NO. 3 AND 4, PG. 455-459.APPENDIX TO SPECIAL MAP NO. 10, MISSOURI BASIN STUDIES, P. 131, 1946USBM MIN. EXAM. FILEMEEVES, H.C., HARRER, C.M., SALSBURY, M.H., KONSELMAN, A.S. AND SHANNON, S.S., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITES IN SIX WESTERN STATES, USDI BM INFO CIRC 8298