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  3. Mineral Resource Data System (MRDS)

Butterfield Mine

Past Producer in Jefferson county in Colorado, United States with commodities REE, Niobium (Columbium), Tantalum
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10013725
MRDS ID D010177
Record type Site
Current site name Butterfield Mine

Geographic coordinates

Geographic coordinates: -105.31225, 39.41777 (WGS84)
Elevation 2280
Location accuracy 1000(meters)
Relative position 14.3 MILES S 2 E FROM EVERGREEN

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine(quadrangle 1:24,000 scale)

Bailey(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 007S 071W 23 SW Colorado

Comments on the location information

  • NEAR SPHINX PARK AND SCHUYLER GULCH. EXACT LOCATION UNCERTAIN BUT POSSIBLY IN SW/4 ON RIDGE ABOVE SPHINX PARK. ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
REE Critical Primary
Niobium (Columbium) Critical Primary
Tantalum Critical Primary

Materials information

Materials Type of material
Fergusonite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite

Nearby scientific data

(1) -105.31225, 39.41777
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Pikes Peak Batholith
Type of structure Local
Structure description Kennedy Gulch Fault Zone

Ore body information

  • General form IRREGULAR, OVAL
    Length 27.43M
    Width 18.29M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name South Platte Pegmatite District

Land status

Ownership category Private

Comments on the workings information

  • OPEN CUTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit LARGEST OF THREE ZONED PEGMATITES CONSISTS OF WALL ZONE OF QUARTZ-MICROCLINE-BIOTITE AND QUARTZ CORE WITH SMALL RAE REPLACEMENT BODY AT CORE MARGIN. SECOND LARGEST PEGMATITE CONTAINS PROPORTIONATELY LARGER CORE OF MICROCLINE-QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1983 Schwochow, Stephen D. Colorado 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.