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

Big Bertha Pegmatite

Past Producer in Jefferson county in Colorado, United States with commodity Feldspar
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10166982
MRDS ID D010178
MAS/MILS ID 0080590035
Record type Site
Current site name Big Bertha Pegmatite
Related records 10101836

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.21728, 39.3344 (WGS84)
Elevation 2283
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deckers(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)

Federal lands

Pike and San Isabel 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 Jefferson

Commodities

Commodity Importance
Feldspar Primary

Nearby scientific data

Pit (1) -105.21728, 39.3344
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 PEGMATITE
    Primary mode of Origin MAGMATIC DIFFER
    Date of Last Modification 920529

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No

Mining district

District name South Platte

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    MINERAL PROPERTY FILES

  • Deposit

    COLORADO GEOLOGICAL SURVEY RESOURCE SERIES 11

Reporter information

Type Date Name Affiliation Comment
Reporter 29-MAY-1992 Martin U.S. Bureau of Mines

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.