Grunter Mine

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Tungsten, Lead, Zinc, Silver
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  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 10071458
MRDS ID W014860
MAS/MILS ID 0160590011
Record type Site
Mineralized Area 0160590011
Current site name Grunter Mine
Alternate or previous names Shoup

Geographic coordinates

Geographic coordinates: -114.2889, 45.3736 (WGS84)
Elevation 1097
Relative position 13.5 MI NW OF LEESBURG

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Creek Rapids(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(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 024N 018E 25 Idaho

Comments on the location information

  • 1 mile east of Kentuck on same vein

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Tertiary
Lead Tertiary
Zinc Critical Tertiary
Silver Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Scheelite Ore
Sphalerite Ore
Chalcopyrite Ore
Huebnerite Ore
Calcite Gangue
Magnetite Gangue
Muscovite Gangue
Pyrite Gangue
Quartz Gangue
Pyrrhotite Gangue

Alteration

  • (Local) Sericitization
  • (Local) Silicification

Analytical data

Result SCHEELITE CONCENTRATED IN SMALL PATCHES

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Gneissic Granite;Dikes-Lamprophyre, Granitic
    Rock description Gneissic Granite;Dikes-Lamprophyre, Granitic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Schist, Quartzite

Nearby scientific data

(1) -114.2889, 45.3736

Economic information

Geologic structures

Type of structure Local
Structure name Fault
Type of structure Local
Structure name Brecciation
Type of structure Local
Structure name Gouge
Type of structure Local
Structure name Slickensides

Ore body information

  • General form TABULAR
    Strike N 85 DEG E
    Dip 65 DEG S
    Length 121.92M
    Width 6.1M

Controls for ore emplacement

  • Shear Zone
  • Fractures
  • Jointing

Comments on the geologic information

  • Fault trends NE, Dips 25 deg Se; lamprophyre dike trends N 80 deg E, dips 80 deg S.
  • Original Structures entry:
    Local - Fault, Brecciation, Gouge, Slickensides
  • Original concentration process entry:
    Igneous Solution
  • Original alteration entry:
    Local - Sericitization, Silicification
  • Original ore control entry:
    Shear Zone, Fractures , Jointing
  • Fractured gneiss

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1882
Discoverer Same James And Pat O'Hara

Mining district

District name Mineral Hill And Indian Creek District

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner Gold Producers, Inc.

Comments on the production information

  • $75000

Comments on the reserve resource information

  • $30000 value

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 30.48M

Comments on development

  • 3 claims, the Grunter, Pony, 87

Reference information

Bibliographic references

  • Deposit

    Koschmann, A. H., And Bergendahl, M. H., 1968, Principal Gold-Producing Districts Of The United States: USGS Prof Paper 610, P 136

  • Production

    Gray, F. A., 1927, Univ. Of Minnesota, Phd Thesis.

  • Deposit

    Hobbs, S. W., 1964, Mineral Resource-Tungsten, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Spec. Rept. No. 1, P. 223 - 233.

  • Deposit

    Moore, F. C., 1910, Eleventh Annual Report Of The Mining Industry Of Idaho For The Year 1909.

  • Deposit

    Bell, R. N., 1904, Report Of The Mining Districts Of Idaho For The Year 1903.

  • Deposit

    Griner, W. C., 1975, Seventy-First Annual Report Of The Mining Industry Of Idaho For 1973-1974, 98 P.

  • Deposit

    Gray, F. A., 1927, Ore Deposits Of The Mineral Hill District, Lemhi County, Idaho: Minneapolis, Minnesota, Univ. Of Minnesota, Phd Thesis.

  • Deposit

    1904 Compile State Mine Inspector's Annual Report

  • Deposit

    1910 Compile State Mine Inspector's Annual Report

  • Deposit

    1964 Compile Idaho Bureau Of Mines And Geology Spec. Rept. No. 1

  • Deposit

    1968 Recon A. H. Koschmann And M. H. Bergendahl, Prof. Paper 610

  • Deposit

    1975 Compile State Mine Inspector's Annual Report

  • Deposit

    USBM WFOC Wilderness Studies

  • Deposit

    Lemmon, D.M., Unpublished Data.

  • Deposit

    Lemmon, D.M., And Tweto, O.L., 1962, Tungsten In The U.S., USGS Map, MR-25.

  • Deposit

    Umpleby, J.B., 1913, USGS Bulletin 528.

General comments

Subject category Comment text
Deposit A second vein trends N, dips steeply E, and is 2 ft wide
Deposit This has been worked as a gold mine. The average content of Wo3 is less than 0.1 percent.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1973 Elliott, James E. U.S. Geological Survey
Reporter 01-AUG-1976 Duncan, Daniel G. (Miller, Pat) U.S. Geological Survey
Reporter 13-OCT-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines
Editor 09-JUN-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

External references