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Cressman Gulch

Producer in Jefferson 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. Reporter information

Geologic information

Identification information

Deposit ID 10016685
MRDS ID DC01854
Record type Site
Current site name Cressman Gulch

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -105.24973, 39.79046 (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)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Golden(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)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 03S 70W 17,18 Colorado

Commodities

Commodity Importance
Beryllium Critical Primary
Feldspar Primary
Mica Primary

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Muscovite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

Centroid (1) -105.24973, 39.79046
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PEGS E-W 70S TO VERTICAL. COMPOSED OF ALBITE, MICROCLINE, QTZ, MUSCOVITE, APATITE, TOURMALINE, BIOTITE, BERYL, COLUMBITE-TANTALITE, MANGANOTANTALITE

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Comments on the production information

  • ITEM 2: BERYL. ITEM 3: COLUMBITE-TANTALITE.

Reference information

Bibliographic references

  • Deposit

    USBM MIN. EXAM. FILE, REPT. DATE 1/29/59

  • Deposit

    USBM 1966, IC 8298, P. 27

  • Deposit

    USGS COMMODITY FILE, GR III, REEL 31 DOCK. 9937, 1945, GR. III, REEL 32, DOCK. 10049, 1943, GR. III, REEL 40, DOCK. 12742, 1944

  • Deposit

    CONSV. DIV. COMP. DATE, 3,64

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-72 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.