Mine detail: Black Cloud Quarry

Previously called 'Spillman'

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Location

Lat / long: 38.9383, -105.21337

Resource(B)

Primary: Feldspar
Tertiary: Beryllium, Quartz

Production

Operation type: Surface
Development status: Past Producer

Geology

References

MRDSDC04051
MAS81190039
DEP10240111
Reference{Deposit:: MINBRAS OF COLO. 1974}{Deposit:: OWN: INTER. MINERALS & CHEMICALS CORP. 1959}
ReporterIntermountain Field Operations Center (IFOC)