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  3. Mineral Resource Data System (MRDS)

Grover Winsor Pegmatite

Producer in Jefferson county in Colorado, United States with commodities Niobium (Columbium), Tantalum, REE, Feldspar, Mica, Beryllium
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10107749
MRDS ID D001818
Record type Site
Current site name Grover Winsor Pegmatite

Geographic coordinates

Geographic coordinates: -105.45503, 39.71888 (WGS84)

Site location context

Political divisions (FIPS codes)

Clear Creek(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Saddleback Mountain(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

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 004S 072W 09 Colorado

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary
Tantalum Critical Primary
REE Critical Primary
Feldspar Primary
Mica Primary
Beryllium Critical Primary

Materials information

Materials Type of material
Beryl Ore
Monazite Ore
Muscovite Ore

Nearby scientific data

(1) -105.45503, 39.71888
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Reference information

General comments

Subject category Comment text
Deposit PRODUCED FOR FELDSPAR, MICA, AND BERYL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1975 Parker, Raymond L. 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.