Mine detail: Cotopaxi Pegmatite Area

Previously called ''

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Location

Lat / long: 38.40001, -105.66725

Resource(M)

Primary: Niobium (Columbium), Tantalum, REE
Ore: Allanite, Euxenite, Gadolinite, Xenotime

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

References

MRDSD001805
DEP10009125
ReferenceHanley, J.B., Heinrich, E.W., and Page, L.R., 1950, Pegmatite investigations in Colorado, Wyoming, and Utah 1942-1944, U.S.G.S. Professional Paper 227, 125 p.
ReporterKeller, John W., Parker, Raymond L.