Mine detail: Spaulding Mine

Previously called ''

<< Back to the map

Location

Lat / long:

40.7122, -105.31365

Resource(B)

Primary:	Tungsten
Tertiary:	Copper, Graphite, Molybdenum
Ore:	Powellite, Scheelite
Gangue:	Garnet, Graphite

Production

Operation type:	Underground
Production size:	None
Development status:	Past Producer

Geology

Host rock:	Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite
Host type:	Schist
Associated rock:	Sherman Granite
Associated type:	Granite
Structure:	Front Range Uplift, Sherman Batholith, Poudre River Shear Zone, Skin Gulch Shear Zone
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010545
MAS	80690121
DEP	10013968
Reference	{Deposit:: BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM IC-7748, P. 16.}{Deposit:: TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORADO: ECON. GEOLOGY, V. 55, NO. 7, P. 1406-1428.}{Deposit:: ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-1323.}{Deposit:: WYANT, D.G., 1949, SPAULDING-WOODHAMS SCHEELITE PROSPECTS, LARIMER COUNTY, COLORADO: AEC TEM-9A, 4 P.}{Geology:: Braddock and others, 1988, Geologic map of Poudre Park quadrangle, Larimer County, CO: USGS Geologic Quadrangle Map GQ-1620, scale 1:24,000.}
Reporter	Schwochow, Stephen D., Intermountain Field Operations Center (IFOC), Wilson, Anna B.