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  3. Mineral Resource Data System (MRDS)

Elsie Shaft and Windy Tunnel

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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10091292
MRDS ID DC03390
MAS/MILS ID 80130275
Record type Site
Current site name Elsie Shaft and Windy Tunnel
Alternate or previous names Elsie, Elsie and Windy Tunnel
Related records 10117745

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.48778, 39.93983 (WGS84)
Location accuracy 10(meters)
Relative position Adit shown and labeled on topo. North of Beaver Creek on south side of Tungsten Mtn., downhill from Mammoth Mine (also labeled on topo).

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 72W 19 C of S2 of SE4 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

Main Entrance (1) -105.48778, 39.93983
ListMap

Economic information

Comments on the geologic information

  • ELSIE VEIN FOLLOWS A STRONG FRACTURE IN SCHIST AND GNEISSIC APLITE. STRIKES N25E TO N60E DIPS 60-70 NW

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1905
Year of first production 1906
Production years 1906-1910

Mining district

District name Boulder Tungsten District (Beaver Creek area)

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Guy Tanner et al
    Year 1960
  • Type Operator
    Owner Eugene Scohy and Overly Brothers
    Year 1960

Workings at the site

  • Type of workings Underground
    Name of workings Elsie Shaft
    Overall depth 80.77M
  • Type of workings Underground
    Name of workings Windy tunnel

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit NO FERBERITE FOUND

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey
Editor 2007-05-22 Melton, Greg U.S. Geological Survey
Editor 2013-12-20 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate records.

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.