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  3. Mineral Resource Data System (MRDS)

Beth Group

Past Producer in Hinsdale county in Colorado, United States with commodity Uranium
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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. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014727
MRDS ID D011626
Record type Site
Current site name Beth Group
Related records 10215457

Geographic coordinates

Geographic coordinates: -107.4598, 38.05278 (WGS84)
Elevation 3633
Relative position 8.0 MILES N 77 W FROM LAKE CITY

Site location context

Political divisions (FIPS codes)

Hinsdale(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Uncompahgre Peak(quadrangle 1:24,000 scale)

Montrose(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Grand Mesa, Uncompahgre and Gunnison National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Uncompahgre Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Hinsdale

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 044N 005W 20 Colorado

Comments on the location information

  • MINE LIES ON FAR SOUTH SLOPE OF UNCOMPAHGRE PEAK NEAR HEAD OF EL PASO CREEK AND BELOW PACK TRAIL (FROM STEVEN AND OTHERS, 1977, PL. 3). UNPATENTED CLAIMS LIE GENERALLY SOUTH OF PEAK BUT TOTAL EXTENT IS UNKNOWN. ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Pitchblende Ore
Uranophane Ore

Analytical data

Result STEVEN AND OTHERS' (1977) GRAB SAMPLE FROM PORTAL OF CAVED ADIT CONTAINED 4% AL, 0.1% CA, 0.6% FE, 0.02% MG, 0.02% MN, 0.2% TI, 20 PPM CU, 1500 PPM PB, LT 70 PPM ZR, TRACE AU, 0.1 OZ/TON AG, 0.01% PB (ATOMIC ABSORPTION), 0.07% U308.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Intrusive Rocks--Rhyolite;Ash-Flow Member Of Crystal Lake Tuff
    Rock description Intrusive Rocks--Rhyolite;Ash-Flow Member Of Crystal Lake Tuff
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -107.4598, 38.05278
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, San Juan Depression
Type of structure Local
Structure description San Juan-Uncompahgre Calderas, Lake City Caldera

Controls for ore emplacement

  • Fractures Along Margin Of Intrusion

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1958
Year of last production 1961

Mining district

District name Uncompahgre Peak Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Dale Dunkle
    Home office Grand Junction, Co.
    First year 1961
  • Type Owner
    Owner J. C. Mullins
    Home office Dallas, Tx.
    First year 1961

Production statistics

  • Year 1961
    Period 1958-1961
    Description Cp_Grade: ^0.20% U308
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 0wt-pct

Comments on the workings information

  • OPEN PIT; ONE ADIT DRIVEN GENERALLY NORTH, EXTENT UNKNOWN; DIAMOND DRILL HOLES

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SMALL RHYOLITE BODY INTRUDES CRYSTAL LAKE TUFF ON NORTH SIDE OF UNCOMPAHGRE CALDERA IN MOAT-FILL SEQUENCE. INTRUSION IS ONE IN ENE-WSW-TRENDING CHAIN OF INTRACALDERA INTRUSIONS RELATED TO LAKE CITY POSTCOLLAPSE FILLING AND RING-FAULT INTRUSIONS. NELSON-MOORE AND OTHERS (1978) DESCRIBE URANIUM OCCURRING IN FRACTURES OR STOCKWORKS ALONG MARGIN OF INTRUSION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1984 Schwochow, Stephen D. Colorado 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.