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

Clark Tunnel

Unknown in Boulder county in Colorado, United States with commodities Tungsten, Gold, Silver
Map
XML
JSON
KML
C
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. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10165943
MAS/MILS ID 80130186
Record type Site
Current site name Clark Tunnel

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.47917, 39.96789 (WGS84)
Elevation 3048
Location accuracy 10(meters)
Relative position Shown and labeled on topo. Not a mine, but an access to several mines.

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tungsten(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(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 Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 001 S 072 W 17 NWNWNE Colorado

Commodities

Commodity Importance
Tungsten Critical Tertiary
Gold Tertiary
Silver Tertiary

Mineral occurrence model information

Model code 46
USGS model code 15a
Deposit model name W veins

Nearby scientific data

Main Entrance (1) -105.47917, 39.96789
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Commodity type Metallic
Significant No

Mining district

District name Boulder Tungsten

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner J. Clark - H. Barker Estate
    Year 1960

Comments on the workings information

  • The Clark Tunnel is NOT a mine. It is the access for several individual mines and intersects fhe following veins: Barker Nos. 1, 2, 3, 4; Vasco 6; Murphy; Five; and Hurricane Hill Reef.

Reference information

Bibliographic references

  • Workings

    Colorado Metal Mining Fund Board, 1960, Tungsten Mines in Colorado

Reporter information

Type Date Name Affiliation Comment
Reporter 1979-05-03 Montez U.S. Bureau of Mines
Editor 2007-05-22 Melton, Greg U.S. Geological Survey
Editor 2014-01-28 Wilson, Anna B U.S. 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.