Nest Egg

Prospect in Lemhi county in Idaho, United States with commodity Uranium
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. Geologic structures
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10090838
MRDS ID D006763
MAS/MILS ID 0160590455
Record type Site
Current site name Nest Egg
Alternate or previous names Magnum Mining Corp.

Geographic coordinates

Geographic coordinates: -113.9736, 44.6608 (WGS84)
Location accuracy 5000(meters)
Relative position 4 MI NW OF MAY, ID., Within 2 Mi.

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ennis Gulch(quadrangle 1:24,000 scale)

Leadore(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pahsimeroi(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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015N 021E 03,04 W2 (03) Idaho

Comments on the location information

  • Located between May and Ellis on the W slope of the Lemhi Range

Commodities

Commodity Importance
Uranium Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -113.9736, 44.6608

Economic information

Geologic structures

Type of structure Local
Structure description Nw-Trending Faults

Controls for ore emplacement

  • At Base Of Conglomerate Along Contact With Pre-Cambrian Quartzites

Economic information about the deposit and operations

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

Mining district

District name May Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Magnum Mining Corp. (C. Sanderlin, President, W. Ludahl, Project Supervisor)
    First year 1957

Comments on the workings information

  • Several pits blasted by drilling holes with hand steel

Comments on development

  • 16 Unpatented Claims, (Nest Egg 1-3, Magnum 1-13) DMEA Loan Application made in 1957 (Pocket No. 4599).

Reference information

Bibliographic references

  • Deposit

    COMMODITY FILES, USGS, SPOKANE, WA

General comments

Subject category Comment text
Deposit Uranium minerals occur as coatings on fractures within a basal conglomerate
Deposit For more information see DMEA Pocket No. 4599 (1957)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-81 Lewis, Reed S. (Orris, Greta J.) U.S. Geological Survey
Reporter 13-MAR-95 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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