Commodities
PrimaryTungsten, Copper
SecondaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlStockton Vein, Gertrude Vein; Schistosity Of Granites; Fractures
Materials
Ore mineralsChrysocolla, Cuprite, Gold, Scheelite
GangueApatite, Biotite, Calcite, Chlorite, Diopside, Feldspar, Grossularite, Hornblende, Quartz, Scapolite, Tourmaline, Vesuvianite
Geology
Host rockGneiss
StructureSouthern Mosquito Range, Northern Sangre De Cristo Range, Arkansas Valley Graben, Stockton Vein, Gertrude Vein; Nw-Trending Faults
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationSurface Rocks Highly Altered, Scapolitization
Economic & production
Development statusPast Producer
First production1875
Identification
Deposit ID10087827
MRDS IDD010238
Alternate namesGertrude Vein
RegionNA
Data scoreB
Coordinates38.51333, -105.96448
References
COLORADO METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BOARD, P. 69HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, P. 56-60.BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM INFORMATION CIRCULAR 7748, P. 3-7SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 1 DEG X 2 DEG QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000ECKEL, E.B., 1961, MINERALS OF COLORADO, A 100-YEAR RECORD: USGS BULLETIN 1114, P. 121.TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORADO: ECONOMIC GEOLOGY, V. 55, P. 1406-1428.BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS OF 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 THCHIGAN, 131 P.BELSER, CARL (1956)