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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ohman Mine

Past Producer in Jefferson 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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10013713
MRDS ID D010152
Record type Site
Current site name Ohman Mine
Alternate or previous names Nare Lease
Related records 10166541

Geographic coordinates

Geographic coordinates: -105.27725, 39.76832 (WGS84)
Elevation 2057
Relative position 2.8 MILES N 76 W FROM GOLDEN

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ralston Buttes(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 003S 071W 25 NE OF NE OF NE Colorado

Comments on the location information

  • ALONG GOLDEN GATE CANYON NEAR BUCKMAN ADIT ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Pitchblende Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Granitic Pegmatite
    Rock description Granitic Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Idaho Springs Formation-Hornblende Gneiss Unit;Idaho Springs Formation-Microcline-Quartz-Plagioclase-Biotite Unit
    Rock description Idaho Springs Formation-Hornblende Gneiss Unit;Idaho Springs Formation-Microcline-Quartz-Plagioclase-Biotite Unit

Nearby scientific data

(1) -105.27725, 39.76832
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Denver Basin
Type of structure Local
Structure description Hurricane Hill Fault System

Economic information about the deposit and operations

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

Mining district

District name Ralston Buttes District

Land status

Ownership category Private

Production statistics

  • Year 1959
    Accuracy Accurate
    Description Ap_Grade: ^1.18% U3o8
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 1wt-pct

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Banke, Carl M. Colorado Geological Survey

Beyond USGS

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

External references

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.