Mine detail: Strang Pegmatite

Previously called ''

<< Back to the map

Location

Lat / long:

39.84277, -105.37281

Resource(B)

Primary:	Quartz, Feldspar, Mica
Secondary:	REE
Ore:	Microcline, Muscovite, Quartz

Production

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

Geology

Host rock:	Idaho Springs Formation---Microcline-Quartz-Plagioclase-Biotite Gneiss Unit
Host type:	Gneiss
Associated rock:	Granitic Pegmatite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Denver Basin, Hurricane Hill Fault System, Unnamed Syncline, Idaho Springs-Ralston Shear Zone
Tectonic:	Central Cordillera (Southern Ricky Mtns)

References

MRDS	D010184
DEP	10013727
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:: USBM MIN. EXAM. FILE, REPT. OF 2/2/59 (FROM ORIGINAL CRIB RECORD)}
Reporter	Schwochow, Stephen D.