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  3. Mineral Resource Data System (MRDS)

Lang Claim

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Copper, Lead, Silver
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070414
MRDS ID W013340
MAS/MILS ID 0160590141
Record type Site
Current site name Lang Claim

Geographic coordinates

Geographic coordinates: -113.9961, 45.3475 (WGS84)
Elevation 2012
Location accuracy 250(meters)
Relative position 4 MI. S. OF NORTH FORK

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 05 SE Idaho

Comments on the location information

  • On a high ridge W. of Salmon River near head of Bobcat Gulch; Just under crest of Napoleon Hill. ; Info From Land.St :(1978)

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Yellowjacket Formation
    Rock description Yellowjacket
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.9961, 45.3475
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Vein Offset By Fault That Strikes N 55 Deg E, Dips 75 Deg Nw

Ore body information

  • General form TABULAR
    Strike N TO NW
    Dip 56 W
    Length 131.06M
    Width 1.83M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • Country Rx trend N40-50W, 58SW

Economic information about the deposit and operations

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

Mining district

District name Eureka District

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner Ms. J. Benson

Workings at the site

  • Type of workings Underground
    Length 182.88M

Comments on development

  • Claim patented in 1953.

Reference information

Bibliographic references

  • 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

    1959 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 118

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1974 Miller, Pat J. U.S. Geological Survey
Updater 01-FEB-1985 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey
Reporter 13-OCT-1990 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.

Maps centered on this site