Lookout Mine

Past Producer in Larimer county in Colorado, United States with commodities Tungsten, Molybdenum
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. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10013966
MRDS ID D010543
Record type Site
Current site name Lookout Mine
Related records 10142398

Geographic coordinates

Geographic coordinates: -105.44059, 40.64998 (WGS84)
Elevation 2505
Relative position 19.6 MILES N77W FROM FORT COLLINS

Site location context

Political divisions (FIPS codes)

Larimer(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Big Narrows(quadrangle 1:24,000 scale)

Fort Collins(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Cache La Poudre(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Larimer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 008N 072W 23 SW OF NW Colorado

Comments on the location information

  • EAST OF POVERTY BULCH 3.5 MILES SW OF STOVE PRAIRIE LANDING. ; INFO FROM LAND.ST :1980

Commodities

Commodity Importance
Tungsten Critical Primary
Molybdenum Tertiary

Comments on the commodity information

  • TWETO (1960) CITES MO (POWELLITE) GENERALLY OCCURRING WITH CACHE L A POUDRE RIVER AREA W DEPOSITS

Materials information

Materials Type of material
Powellite Ore
Scheelite Ore

Analytical data

Result ORE SHIPMENT FROM 1952-53 CONTAINED NEARLY 2% WO3

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Aplite
    Rock description Pegmatite;Aplite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Calc-Silicate Gneiss;Migmatic Biotite Schist
    Rock description Calc-Silicate Gneiss;Migmatic Biotite Schist

Nearby scientific data

(1) -105.44059, 40.64998

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Sherman Batholith
Type of structure Local
Structure description Poudre River Shear Zone, Skin Gulch Shear Zone, Poverty Flats Synf Orm, South Fork Antiform

Ore body information

  • Thickness 4.57M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1952

Mining district

District name Stove Prairie Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Buckhorn Mining Co.
    Home office Fort Collins, Co.
    First year 1953
  • Type Owner
    Owner Sackett, T. H.
    Home office Fort Collins, Co.
    First year 1953

Production statistics

  • Year 1953
    Description Ap_Grade: ^Lt 2% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Ore Tungsten Tungsten 2wt-pct

Workings at the site

  • Type of workings Surface
    Overall depth 3.05M
    Overall length 60.96M
    Overall width 6.1M

Comments on the workings information

  • ONE TRENCH MEASURING 200 FT X 20 FT X 10 FT DEEP

Reference information

Bibliographic references

  • Deposit

    COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 46-47.

  • Deposit

    ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LAR IMER COUNTY, COLORADO: USGS MAP GQ-1323.

  • Deposit

    BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISO N, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM IC-7748, P . 16, 18.

  • Deposit

    TWETO, OGDEN, 1960, SCHEELITE IN THE PRECAMBRIAN GNEISSES OF COLORA DO: ECON. GEOLOGY, V. 55, NO. 7, P. 1406-1428.

  • Production

    BELSER, 1956, P. 18.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1983 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

Authoritative Colorado resources

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