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  3. Mineral Resource Data System (MRDS)

Rob Rollo Mine

Past Producer in Moffat county in Colorado, United States with commodity Uranium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10013411
MRDS ID D009685
Record type Site
Current site name Rob Rollo Mine

Geographic coordinates

Geographic coordinates: -107.99734, 40.54803 (WGS84)
Elevation 1890
Relative position 6.1 MILES N 77 W OF LAY

Site location context

Political divisions (FIPS codes)

Moffat(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lay(quadrangle 1:24,000 scale)

Craig(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Yampa(hydrologic unit)

White-Yampa(hydrologic accounting unit)

White-Yampa(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Moffat

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 007N;007N 094W;095W 19;24 NW Colorado

Comments on the location information

  • INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Uraninite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Browns Park Formation
    Rock description Browns Park Formation
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -107.99734, 40.54803
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Washakie Basin
Type of structure Local
Structure description Lay Syncline, Maybell Monocline

Ore body information

  • General form TABULAR
    Depth to top 51.82M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Maybell District

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • AS OF 1971, 596,701 TONS OF ORE HAD BEEN MINED AT A GRADE OF 0.11% U308, PRODUCING 1,347,892 LBS. OF U308 (NELSON-MOORE AND OTHERS, 1978).

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1982 Banke, Carl M. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.