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  3. Mineral Resource Data System (MRDS)

Main Diggings Prospects

Prospect in Custer county in Idaho, 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070981
MRDS ID W014146
MAS/MILS ID 0160370353
Record type Site
Current site name Main Diggings Prospects

Geographic coordinates

Geographic coordinates: -114.91234, 44.29708 (WGS84)
Elevation 2134
Relative position 2 MI S OF POTATO MTN.

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Basin Butte(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

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 013E 11 NW Idaho

Commodities

Commodity Importance
Uranium Tertiary

Materials information

Materials Type of material
Chalcedony Gangue

Alteration

  • (Local) Partial Silicification

Analytical data

Result MAXIMUM RADIOACTIVITY OF 0.11 MILLIROENTGENS PER HOUR

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith-Quartz Monzonite;Pegmatite, Rhyolite Dikes
    Rock description Idaho Batholith-Quartz Monzonite;Pegmatite, Rhyolite Dikes
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) Granodiorite and two-mica granite.
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Idaho Batholith

Ore body information

  • General form LINEAR

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discoverer E. K. Evans

Mining district

District name Stanley District

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Owner-Operator
    Owner E. K. Evans

Comments on the workings information

  • There Are No Surface Indications That Ore Exists Upon the Property; Several Bulldozer Cuts

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Yett, Jay R.; Miller, Pat U.S. Geological Survey
Reporter 04-NOV-1992 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