Bull Gulch Prospect

Prospect in Fremont county in Colorado, United States with commodities Feldspar, Mica, Beryllium, Niobium (Columbium), Tantalum
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  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 10017723
MRDS ID DC04112
Record type Site
Current site name Bull Gulch Prospect
Related records 10288541

Geographic coordinates

Point of reference Geographic coordinates: Elevation UTM Precision Relative position Point location
Pit -105.61475, 38.47029 (WGS84) 2627 100 7.6 MILES N27E OF COTOPAXI, exact
(click for info)
Trench -105.61475, -38.4678 (WGS84)

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Echo(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 49N 12E 26 SW Colorado

Comments on the location information

  • NEAR CREST OF BULL RIDGE, ABOVE BULL GULCH ; INFO FROM LAND.ST :(1973)

Commodities

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

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Mica Ore

Mineral occurrence model information

Model code 32
USGS model code 13
Deposit model name Pegmatites

Host and associated rocks

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

Nearby scientific data

Pit (1) -105.61475, 38.47029
Trench (2) -105.61475, -38.4678

Economic information

Geologic structures

Type of structure Regional
Structure description Thirtynine Mile Volcanic Field, Southern Front Rangea N15 Central Cordillera (Southern Rocky Mountains)
Type of structure Local
Structure description Nw-Trending Texas Creek Fault

Comments on the geologic information

  • GEOL.DESC: PEGS TREND NW

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Devil'S Hole Area

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • 3 SMALL OPEN CUTS ON 5 CLAIMS

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL EXAM. FILE

  • Deposit

    MEEVES, H.C., HARRER, C.M., SALSBURY, M.H., KONSELMAN, A.S., AND SHANNON, S.S., JR., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES, ARIZONA, COLORADO, NEW MEXICO, SOUTH DAKOTA, UTAH, AND WYOMING: USBM INFORMATION CIRCULAR 8298, 34 P.

  • Deposit

    TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A. AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500

  • Deposit

    CONSV. DIV. COMP. DATE, 1,64

General comments

Subject category Comment text
Deposit THE PEGMATITES IN THE AREA TREND NW

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-73 Unknown U.S. Geological Survey
Updater 01-NOV-82 Collins, Donna B. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.