Colorado · Montezuma County
Occurrence

Mancos River Black Sand Deposit

Montezuma County, Colorado, United States
UraniumThoriumZirconiumTitaniumMetalIronREE
⌖ Show on mapUSGS source ↗
Commodities
PrimaryUranium, Thorium, Zirconium, Titanium, Metal
SecondaryIron
TertiaryREE
Commodity typeM
Deposit
Deposit typeFossil Placer
Deposit sizeN
Ore controlBackshores And Upper Foreshores On Flat Beaches In Regressive Marine Sequence
Materials
Ore mineralsAnatase, Ilmenite, Monazite
GangueHematite, Jarosite, Limonite
Geology
Host rockSandstone · Mesaverde Group--Point Lookout Sandstone;Mesaverde Group--Menefee Formation
StructureSan Juan Basin, Four Corners Platform, Mesa Verde Basin, Mcelmo Dome
Tectonic settingColorado Platform
AlterationFe Oxidation And Cementation
Economic & production
Development statusOccurrence
Discovery year1912
Identification
Deposit ID10090136
MRDS IDD010872
Alternate namesShiprock Group
RegionNA
Data scoreB
Coordinates37.12668, -108.65538
References
NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 277-281.HOUSTON, R.S., AND MURPHY, J.F., 1977, DEPOSITIONAL ENVIRONMENT OF UPPER CRETACEOUS BLACK SANDSTONES OF THE WESTERN INTERIOR: USGS PROF. PAPER 994-A, 29 P.HOUSTON, R.S., AND MURPHY, J.F., 1970, FOSSIL BEACH PLACERS IN SANDSTONES OF LATE CRETACEOUS AGE IN WYOMING AND OTHER ROCKY MOUNTAIN STATES: WYOMING GEOL. ASSOC. 22D ANN. FIELD CONF. GUIDEBOOK, P. 241-249.DOW, V.T., AND BATTY, J.V., 1961, RECONNAISSANCE OF TITANIFEROUS SANDSTONE DEPOSITS OF UTAH, WYOMING, NEW MEXICO, AND COLORADO: USBM RI-5860.AEC, 1955, PRELIMINARY RECONNAISSANCE REPORTS: ED/R-465 THROUGH 471 AND ED/R-493 THROUGH 500.