Mine detail: Mrs. Roberts Deeded Land

Previously called ''

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Location

Lat / long:

38.33389, -107.08062

Resource(M)

Primary:	Thorium
Tertiary:	Lead, Copper, Zinc, REE
Ore:	Thorite
Gangue:	Apatite, Barite, Calcite, Chalcopyrite, Fluorite, Galena, Goethite, Hematite, Jasper, Magnetite, Pyrite, Quartz, Rutile, Specularite, Sphalerite
Orebody form:	TABULAR

Production

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

Geology

Host rock:	Dubois Greenstone--Metavolcanic Hornblende Schist And Amphibolite
Host type:	Schist,Amphibolite
Structure:	Gunnison Uplift, San Juan Volcanic Field, Gunnison Gold Belt, Iron Hill Alkalic Complex, Tolvar Peak Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D011175
DEP	10014419
Reference	{Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.}{Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1961, FOUR ENVIRONMENTS OF THORIUM-, NIOBIUM-, AND RARE-EARTH-BEARING MINERALS IN THE POWDERHORN DISTRICT OF SOUTHWESTERN COLORADO: USGS PROF. PAPER 424-B, P. B283-B286.}{Deposit:: OLSON, J.C., AND HEDLUND, D.C., 1981, ALKALIC ROCKS AND RESOURCES OF THORIUM AND ASSOCIATED ELEMENTS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS PROF. PAPER 1049-C.}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 175.}{Deposit:: MALAN, R.C., 1955, AEC PRELIM. RECO. REPT. DEB-P-3-1752.}
Reporter	Schwochow, Stephen D.