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

Big Indian Group

Prospect in Saguache 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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10159370
MAS/MILS ID 0081090009
Record type Site
Mineralized Area Marshalll Pass
Current site name Big Indian Group

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -106.3414, 38.3978 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pahlone Peak(quadrangle 1:24,000 scale)

Saguache(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomichi(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)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 048 N 006 E 19 Colorado

Commodities

Commodity Importance
Uranium Tertiary

Materials information

Materials Type of material
Autunite Ore
Uraninite Ore

Host and associated rocks

  • Host or associated Host
    Rock type
    Rock type qualifier carbonanceous sandstone
    Rock unit name Harding Formation
    Stratigraphic age (youngest) Ordovician

Nearby scientific data

Approximate (1) -106.3414, 38.3978
ListMap

Economic information

Ore body information

  • Thickness 1.5M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Date of Last Modification 780213

Controls for ore emplacement

  • carbon-rich sandstone layers

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Marshall Creek

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Clyde Hackney And Warren Goff, Gunnison
    Interest 100
    Home office Colorado
    Year 1975

Reference information

Bibliographic references

  • Deposit

    ALL DATA FROM PRR 2366, EXAMINED IN 1955.

General comments

Subject category Comment text
Deposit RADIOACTIVITY IS SAID TO BE 70 TIMES BACKGROUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-NOV-83 Minecom 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.