Simer Prospect

Occurrence in Lemhi county in Idaho, United States with commodities Fluorine-Fluorite, Thorium, Uranium, REE, Niobium (Columbium)
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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10070418
MRDS ID W013346
MAS/MILS ID 0160590149
Record type Site
Current site name Simer Prospect
Alternate or previous names Lost Wife Group

Geographic coordinates

Geographic coordinates: -113.93592, 45.28489 (WGS84)
Elevation 1676
Relative position 8 MI. N.W. OF SALMON

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bird Creek(quadrangle 1:24,000 scale)

Salmon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 023N 021E 35 C Idaho

Comments on the location information

  • In Small Shallow Gulch Just S. Of Diamond Creek Drainage About A Mi. Sse Of Contact No. 2

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Thorium Tertiary
Uranium Tertiary
REE Critical Tertiary
Niobium (Columbium) Critical Tertiary

Materials information

Materials Type of material
Monazite Ore
Barite Gangue
Fluorite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -113.93592, 45.28489

Economic information

Ore body information

  • Strike N 50 E
    Dip 60 NW
    Width 1.52M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • Prec Stock Formerly Considered Lcret
  • Original alteration entry:

    Local - Oxidation

  • Original ore control entry:

    Shear Zone

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Eureka District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner Teal And Waterman

Workings at the site

  • Type of workings Surface
    Overall length 9.14M

Comments on development

  • 10 Claims

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1958, Uranium, Thorium, Columbium, And Rare Earth Deposits In The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 115, 81 P.

  • Deposit

    Anderson, A. L., 1959, Geology And Mineral Resources Of The North Fork Quadrangle, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 118, 92 P.

  • Deposit

    Anderson, A. L., And Van Alstine, R. E., 1964, Mineral Resources - Fluorspar, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology, Special Report No. 1, P. 79 - 84.

  • Deposit

    Staatz, M.H., et al, 1979, Principal Thorium Resources in the United States, USGS, Info. Circular 805, 42 p.

General comments

Subject category Comment text
Deposit Deposits Are In Granite And Consist Of Three Veins, The Main One In A Large Cut In The Upper Part Of The Gulch. It Strikes N50e, And Dips 60nw. It Contains 2 To 3 Ft. Of Highly Radioactive, Jaster-Like Rock, Which Examined Micro- Scopically Shows Abundant Monazite And Variable Amounts Of Barite, Pruplish And Colorless Fluorite, And Quartz.
Deposit Second (Small) Vein Strikes N 10 Deg E, Dips Nw; Third Vein Strikes N 35 Deg E In Shear Zone; Items M70, M80 Refer To Main Vein

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1974 Miller, Pat J. U.S. Geological Survey
Updater 01-MAR-1983 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey
Reporter 12-JUL-1993 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.