Colorado · Weld County
Occurrence

Hyland Pit

Weld County, Colorado, United States
Uranium
⌖ Show on mapUSGS source ↗
Description

Solomon Schlagel

Commodities
PrimaryUranium
Commodity typeM
Deposit
Deposit sizeN
WorkingsSurface
Orebody formROLL FRONT
Ore controlDeposits Along Interface Between Altered /Unaltered Sand. Alteration In Cuttings Difficult To Detect By Usual Color Changes, So Exploration Was Guided By Radiometric Log Interpretation. Uranium Concentrated In Areas Of Rapid Sand Thining Or At Constriction In Thickest Portion Of Channel Sands. Usually Where Sands Are 25 To 125 Ft Thick
Materials
GanguePyrite
Geology
Host rockSandstone · Sand Creek Sandstone Member Of The Laramie Formation;White River Formation; Tuffaceous Beds Possibly Source Of Uranium
StructureCheyenne Basin
Tectonic settingGreat Plains, Central Platform
AlterationAlteration Present But Not Detectable In The Field By Usual Color Changes
Economic & production
Development statusOccurrence
Discovery year1970
Identification
Deposit ID10013018
MRDS IDD009077
RegionNA
Data scoreB
Coordinates40.71054, -104.62001
References
KIRKHAM, R.M., O'LEARY, W. AND WARNER, J.W., 1980, HYDROGEOLOGIC AND STRATIGRAPHIC DATA PERTINENT TO URANIUM MINING, CHEYENNE BASIN, COLORADO: CGS INFORMATION SERIES 12, 31 P.READE, H.L., 1978, URANIUM DEPOSITS: NORTHERN DENVER-JULESBURG BASIN, COLORADO, IN PRUIT, J.D., AND COFFIN, P.E., EDS., ENERGY RESOURCES OF THE DENVER BASIN: ROCKY MTN ASSOC. GEOLOGISTS, P. 161-171