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

Hallie A. Tungsten Mine

Past Producer in Boulder county in Colorado, United States with commodity Tungsten
Map
XML
JSON
KML
B
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. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10107911
MRDS ID D003613
MAS/MILS ID 80130376
Record type Site
Current site name Hallie A. Tungsten Mine
Alternate or previous names Hallie A, Hallie A Tungsten, Hallie A., Hallie "A"
Related records 10263148

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.50444, 40.03067 (WGS84)
Elevation 2743
Location accuracy 5000(meters)
Relative position Near Glacier Lake, about 4 miles north of Nederland.

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ward(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(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 001N 073W 25 Colorado

Comments on the location information

  • Assigned to Sugar Loaf area and to Boulder County Tungsten district, but not actually within the outline of either district (Wilson and Klein, unpublished data for Central Colorado Assessment Project)
  • Location uncertain. These coordinates plot within NE4 of SW4 of Sec. 25. Alternate coordinates in deleted records are NAD 27 40.03274 -105.50499.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Ferberite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

Main Entrance (1) -105.50444, 40.03067
ListMap

Economic information

Comments on the ore body information

  • Horn Ore (ColoMetalMining,1960, p. 37)

Comments on the geologic information

  • FERBERITE AND QUARTZ IN SHEAR ZONE IN GRANITE AND GNEISS.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Boulder County Tungsten (but outside main district)

Ownership information

  • Type Owner
    Owner McBROOM & ALLEN
  • Type Owner
    Owner Norris G. Mitts
    Home office 2511 Court Street Pekin, Illinois [Mr. Ray Flarty, manager Nederland, CO]
    Year 1951
  • Type Operator
    Owner McBroom
    Year 1960

Comments on the ownership information

  • Note that Norris G. Mitts also owns N G Mitts Tungsten Prospects 1 and 2 (see records 10165643 and 10141715)

Comments on the production information

  • "Worked during World War II and at various times earlier." (PP-245, p. 70)

Workings at the site

  • Type of workings Underground

Comments on other economic factors

  • As of DMEA reports, "NO DISCOVERY OF COMMERCIAL GRADE ORE RESULTED"

Comments on development

  • Mine abandoned after DMEA completion (ColoMetalMining, 1960, p. 37)

Reference information

Bibliographic references

  • Deposit

    Lovering and Tweto, 1953, USGS PROF. PAPER 245, p. 70.

  • Deposit

    DMEA Docket DMEA-2058

  • Deposit

    DMEA Docket DMEA-2650

  • Deposit

    STATE OF COLOR. METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLORADO.

  • Deposit

    BLM COLO. CONNECTING SHEETS

  • Deposit

    CONSV. DIV. COMP. DATE, 10,62.

  • Deposit

    MINE MAP REPO # 402376, 401271

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey MRDS DC04658 = 10108330
Reporter 1974-01-01 Unknown U.S. Geological Survey MRDS DC04658 = 10108330
Reporter 1978-07-01 Hasler, J. William U.S. Geological Survey
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0080130376 = 10263148
Editor 2007-05-25 Melton, Greg U.S. Geological Survey also MRDS DC04658 = 10108330 and MAS 0080130376 = 10263148
Editor 2013-12-30 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.