Commodities
PrimaryUranium
Commodity typeM
Materials
Ore mineralsPitchblende, Uranophane
Geology
Host rockSchist,Pegmatite
Associated rockGranite · Pegmatitic Granite;Pegmatite
StructureChester Fault, Unnamed Normal Fault, Sawatch Range, San Juan Volcanic Field
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusProspect
Discovery year1955
Identification
Deposit ID10013131
MRDS IDD009243
Alternate namesUncompahgre #1, Marshall Pass Nos. 34 Claim, Marshall Pass Nos. 35 Claim, Marshall Pass Nos. 36 Claim, Marshall Pass Nos. 58 Claim, Olympia Extension
RegionNA
Data scoreB
Coordinates38.3975, -106.27171
References
WRIGHT, R.J., AND EVERHART, D.L., 1960, URANIUM--MARSHALL PASS DISTRICT, IN DEL RIO, S.M., MINERAL RESOURCES OF COLORADO--FIRST SEQUEL: COLORADO STATE MINERAL RESOURCES BOARD, P. 357-359.OLSON, J.C., 1977, PRELIMINARY GEOLOGIC MAP OF PART OF THE PAHLONE PEAK QUADRANGLE, GUNNISON, SAGUACHE, AND CHAFFEE COUNTIES, COLORADO: USGS OPEN-FILE REPT. 77-325.GROSS, E.B., 1965, A UNIQUE OCCURRENCE OF URANIUM MINERALS, MARSHALL PASS, SAGUACHE COUNTY, COLORADO: AM. MINERALOGIST, V. 50, NOS. 7-8, P. 909-923.RANSPOT, H.W., 1958, GEOLOGY AND URANIUM DEPOSITS OF THE INDIAN CREEK AREA, GUNNISON AND SAGUACHE COUNTIES, COLORADO: UNIV. COLORADO M.S. THESISNELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 392