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  3. Mineral Resource Data System (MRDS)

Tomahawk Group

Past Producer in La Plata county in Colorado, United States with commodities Gold, Silver
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10190947
MRDS ID D010860
MAS/MILS ID 0080670011
Record type Site
Current site name Tomahawk Group
Related records 10014193

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -108.04255, 37.44191 (WGS84)
Elevation 3279

Site location context

Political divisions (FIPS codes)

La Plata(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

La Plata(quadrangle 1:24,000 scale)

Cortez(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle San Juan(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado La Plata

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 037 N 011 W 34 Colorado

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Gold Unknown

Nearby scientific data

Ore Body (1) -108.04255, 37.44191
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 PIPELIKE
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 PYRITIZATION
    Date of Last Modification 780926

Economic information about the deposit and operations

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

Mining district

District name La Plata District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    REF: TOPO MAP

  • Deposit

    BOM OPENFILE RPT MLA 2-92

Reporter information

Type Date Name Affiliation Comment
Reporter 28-MAY-1992 Neubert, John T. U.S. Bureau of Mines

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.