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  3. Mineral Resource Data System (MRDS)

Dory Hill

Occurrence in Gilpin county in Colorado, United States with commodities Quartz, Feldspar, Mica, Iron, Niobium (Columbium)
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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. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10018565
MRDS ID DC05664
Record type Site
Current site name Dory Hill
Related records 10239372

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -105.49062, 39.84559 (WGS84)
Relative position Original record had no geographic coordinates; these coordinates were derived from the PLSS description provided.

Site location context

Political divisions (FIPS codes)

Gilpin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Black Hawk(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(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 Gilpin

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 02S 72W 30,31,32 Colorado

Commodities

Commodity Importance
Quartz Primary
Feldspar Primary
Mica Primary
Iron Primary
Niobium (Columbium) Critical Primary

Materials information

Materials Type of material
Columbite Ore
Feldspar Ore
Magnetite Ore
Mica Ore
Quartz Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Idaho Springs Formation
    Rock description Idaho Springs Formation

Nearby scientific data

Centroid (1) -105.49062, 39.84559
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: 3 PEGS, N15E & N80E & N40-50W

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Significant No

Mining district

District name Mountainhouse

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL EXAM FILE

  • Deposit

    CONSV. DIV. COMP. DATE, 2,62

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-73 Conservation Division Files 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.