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

Dillon

Past Producer in Boulder county in Colorado, United States with commodity Tungsten
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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. 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. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10165908
MAS/MILS ID 80130248
Record type Site
Current site name Dillon

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.48806, 39.96872 (WGS84)
Elevation 2621
Location accuracy 100(meters)
Relative position Coordinates uncertain. 1500 ft. W of Vasco 6 Shaft (10190309)

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 01S 072W 7 SE4 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Mineral occurrence model information

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

Nearby scientific data

Main Entrance (1) -105.48806, 39.96872
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Production years 1907-1909, 1916, 1955

Mining district

District name Boulder Tungsten

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Cold Spring Tungsten, Inc.
    Year 1960
  • Type Operator
    Owner Tom Hetzer, T.J. Hennings
    Year 1960

Production statistics

  • Year 1909
    Period 1907-1909
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 1000WO3

Workings at the site

  • Type of workings Underground
    Overall depth 24.38M

Comments on the workings information

  • Stoped out both sides of shaft.

Reference information

Bibliographic references

  • Deposit

    MINE MAP REPO # 402538

  • Deposit

    Colorado Metal Mining Fund Board, 1960, Tungsten Mines of Colorado.

Reporter information

Type Date Name Affiliation Comment
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Editor 2007-05-22 Melton, Greg U.S. Geological Survey
Editor 2014-01-31 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.