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Little Bennie

Producer in Boulder county in Colorado, United States with commodities Beryllium, Feldspar, Mica
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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. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10108336
MRDS ID DC04744
Record type Site
Current site name Little Bennie
Alternate or previous names Little Bonnie Mine

Geographic coordinates

Geographic coordinates: -105.34239, 40.09349 (WGS84)
Relative position NW 1/4 NE 1/4 SE 1/4

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(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 Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 02N 71W 33 Colorado

Commodities

Commodity Importance
Beryllium Critical Primary
Feldspar Primary
Mica Primary

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Mica Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -105.34239, 40.09349
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SEVERAL SMALL IRREGULAR PEGMATITES IN GRANITE, STRIKE N 80 E, DIP 15-30 SE.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Comments on the production information

  • ITEM 3: BERYL

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL EXAM. FILE

  • Deposit

    USGS BOULDER TOPO QUAD, 1957, 7 1/2 MIN

  • Deposit

    CONSV. DIV. COMP. DATE, 10,62

General comments

Subject category Comment text
Deposit WORKINGS - INCLINED CUT AND SHORT ADIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey
Updater 01-JAN-1974 Unknown 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.