Mine detail: Border Feldspar Prospect

Previously called ''

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Location

Lat / long:

38.46279, -105.3214

Resource(B)

Primary:	Feldspar, Quartz, Mica
Secondary:	Bismuth, Beryllium
Ore:	Beryl, Bismutite, Feldspar, Microcline, Muscovite, Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Migmatitic Gneiss
Host type:	Gneiss
Structure:	Southern Front Range
Tectonic:	Central Cordillera (Southern Rocky Mountains)

References

MRDS	DC05735
DEP	10018612
Reference	{Deposit:: TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869,1:62,500.}{Deposit:: HANLEY, J.B., HEINRICH, E.W., AND PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING AND UTAH; 1942-1944; USGS PROFESSIONAL PAPER 227, P. 40-41.}{Deposit:: HEINRICH, E.W., 1948, PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 7-10, P. 420-448, 550-587.}{Deposit:: CONSV. DIV. COMP. DATE, 1,64}
Reporter	Unknown, Collins, Donna B.