Commodities
PrimaryLead
TertiaryGypsum-Anhydrite
Commodity typeB
Geology
Host rockMudstone · Eagle Valley Formation
Associated rockQuartz Monzonite,Diorite · Middle Tertiary Intrusive Rocks
StructureCentral Colorado Trough, Grand Hogback Monocline, Piceance Basin, Elk Uplift, Roaring Fork Syncline, Snowmass Stock, Mt Sopris Intrusive Center, Crystal Embayment
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1926
Identification
Deposit ID10013707
MRDS IDD010141
Alternate namesGround Hog-Gypsum Mine, Claims: Ground Hog, Double DeckerGypsum, Mary Mac 1-4
RegionNA
Data scoreB
Coordinates39.23138, -107.22258
References
VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: COLORADO STATE MINERAL RESOURCES BOARD, P. 178, 477TWETO, OGDEN, AND OTHERS, 1978, GEOLOGIC MAP OF THE LEADVILLE 1X2 QUADRANGLE, NORTHWESTERN COLORADO; USGS MAP I-999COLORADO DIV. MINES ANNUAL OPERATOR REPTS.MALLORY, W.W., 1971, THE EAGLE VALLEY EVAPORITE, NORTHWEST COLORADO-A REGIONAL SYNTHESIS: USGS BULL. 1311-E.