Commodities
PrimaryThorium
SecondaryBarium-Barite
TertiaryUranium
Commodity typeB
Deposit
Model30: Thorium-rare-earth veins
Deposit sizeN
Ore controlMineralized Vein
Materials
Ore mineralsThorite
GangueBarite, Feldspar, Limonite, Quartz
Geology
Host rockGneiss · Migmatitic Gneiss
Associated rockRhyodacite · Deer Peak Rhyodacite And Rhyodacite Porphyry
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
Economic & production
Development statusProspect
Discovery year1935
Identification
Deposit ID10012582
MRDS IDD008268
Alternate namesMay Day Lode, Hidden Treasury, Gold Crown No. 1
RegionNA
Data scoreB
Coordinates38.02252, -105.1575
References
NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P. 121TAYLOR, R.B., 1974, RECONNAISSANCE GEOLOGIC MAP OF THE DEER PEAK QUADRANGLE AND SOUTHERN PART OF THE HARDSCRABBLE MOUNTAIN QUADRANGLE, CUSTER AND HUERFANO COUNTIES, COLORADO: USGS MAP I-870, 1: 24,000CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 528REV BY MILS 11-79