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Thomas-Union Lodes

Producer in Jefferson county in Colorado, United States with commodities Quartz, Feldspar, Mica, Garnet, Gemstone
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10016583
MRDS ID DC01582
Record type Site
Current site name Thomas-Union Lodes
Alternate or previous names Mica Mine
Related records 10183742

Geographic coordinates

Geographic coordinates: -105.19502, 39.54082 (WGS84)
Relative position NW 1/4

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Indian Hills(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 06S 70W 11 Colorado

Commodities

Commodity Importance
Quartz Primary
Feldspar Primary
Mica Primary
Garnet Primary
Gemstone Primary

Materials information

Materials Type of material
Apatite Ore
Garnet Ore
Muscovite Ore
Quartz Ore

Host and associated rocks

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

Nearby scientific data

(1) -105.19502, 39.54082
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PEG N60W 65NE

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    USBM MIN. EXAM. FILE, REPT. OF 6/26/59

  • Deposit

    BLM CONNECTING SHEET

  • Deposit

    CONSV. DIV. COMP. DATE, 3,64

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Conservation Division Files U.S. Geological Survey

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.