Mine detail: Ramstetter Ranch Prospect

Previously called ''

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Location

Lat / long:

39.7911, -105.31447

Resource(B)

Primary:	Beryllium
Tertiary:	Feldspar, Quartz, Mica, Barium-Barite, Molybdenum, Bismuth
Ore:	Bismuthinite, Bismutite, Chrysoberyl, Microcline, Muscovite, Quartz
Orebody form:	TABULAR

Production

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

Geology

Host rock:	Idaho Springs-Mica Schist Unit
Host type:	Mica Schist
Associated rock:	Granitic Pegmatite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Denver Basin, Junction Ranch Fault System, Hurricane Hill Fault System
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010188
DEP	10013730
Reference	{Deposit:: SHERIDAN, D.M., AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520 (INCL. GEOLOGIC MAP OF RALSTON BUTTES QUAD)}{Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 85}{Deposit:: RANDALL, J.S., 1886, MINERALS OF COLORADO: GEORGETOWN, CO, 49 P.}{Deposit:: ECKEL, E.B., 1961, MINERALS OF COLORADO-A 100-YEAR RECORD: USGS BULL. 1114, P. 77}
Reporter	Schwochow, Stephen D., Spanski, Gregory T.