Colorado · Chaffee County
Past Producer

Unnamed Graphite Deposit

Chaffee County, Colorado, United States
Graphite
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGraphite
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR
Ore controlBedding
Materials
Ore mineralsGraphite
GangueCalcite, Quartz
Geology
Host rockQuartzite · Weber Formation Reported, Possibly Sawatch Sandstone Or Ordovic Ian Formation;Fremont Dolomite, Harding Sandstone, Manitou Limestone
Associated rockDiorite · Granodiorite
StructureMosquito Range, South Park Basin, Pleasant Valley Syncline, E-W-Trending Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusPast Producer
First production1934
Last production1934
Discovery year1934
Identification
Deposit ID10013948
MRDS IDD010520
RegionNA
Data scoreC
Coordinates38.67361, -105.98059
References
DEL RIO, S.M., 1960, MINERAL RESOURCES OF COLORADO, FIRST SEQUEL: C OLORADO MINERAL RESOURCES BOARD, P. 90.OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMET, COL ORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED M. A. THESIS, P. 138.BEHRE, C.H., OSBORN, E.F., RAINWATER, E.H., 1936, CONTACT ORE DEPOS ITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31, NO. 8, P. 793.BHUTTA, M.A., 1954, GEOLOGY OF THE SALIDA AREA, CHAFFEE AND FREMONT COUNTIES, COLORADO: COLORADO SCHOOL OF MINES PHD THESIS, 173 P.SCOTT, G.R., TAYLOR, R.B., EPIS, R.C., WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 10 X 20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000.BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS O F THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V . 13, NO. 3, P. 89-100.BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF T HE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P.