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

Mammoth Prospect

Prospect in Custer county in Idaho, United States with commodity Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10071143
MRDS ID W014375
MAS/MILS ID 160370422
Record type Site
Current site name Mammoth Prospect
Alternate or previous names Sheridan

Geographic coordinates

Geographic coordinates: -114.3217, 44.3122 (WGS84)
Elevation 2134
Relative position 5 MI NE OF CLAYTON

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bald Mountain(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 018E 3 SWNW Idaho

Commodities

Commodity Importance
Gold Primary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Bayhorse Dolomite
    Rock description Bayhorse Dolomite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -114.3217, 44.3122
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bayhorse District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • Caved Workings

Reference information

Bibliographic references

  • Deposit

    Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P

  • Deposit

    1937 Geolmap Ross, C. P., Bulletin 87

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-07-01 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 1988-08-05 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site