Lepley Claim Group Mine

Past Producer in Owyhee county in Idaho, United States with commodities Gold, 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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10069918
MRDS ID W007699
Record type Site
Current site name Lepley Claim Group Mine
Alternate or previous names Balance, Beck, Boone, Ohio, Advance, Last Chance Claims
Related records 10217592

Geographic coordinates

Geographic coordinates: -116.83957, 43.01348 (WGS84)
Elevation 1882
Relative position 1 MI SW OF DELAMAR

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

De Lamar(quadrangle 1:24,000 scale)

Murphy(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Owyhee

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005S 004W 05 Idaho

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Marcasite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Clay

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Silver City Grey Banded-Rhyolite;Basalt Latite Unit-Basalt And Latite;Silver City Granite-Granodiorite
    Rock description Silver City Grey Banded-Rhyolite;Basalt Latite Unit-Basalt And Latite;Silver City Granite-Granodiorite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -116.83957, 43.01348

Economic information

Geologic structures

Type of structure Local
Structure description Fault Planes Dip 26 Deg Sw

Ore body information

  • General form IRREGULAR
    Strike N 60 DEG W
    Dip 80 DEG S

Controls for ore emplacement

  • Faults, Fractures

Economic information about the deposit and operations

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

Mining district

District name De Lamar District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 518.16M
    Overall depth 182.88M

Comments on development

  • MINE WAS INTENDED TO COVER WESTWARD EXPANSION OF DE LAMAR MINE

Reference information

Bibliographic references

  • Deposit

    LINDGREN, W., 1898, THE GOLD AND SILVER VEINS OF SILVER CITY, DELAMAR, AND OTHER MINING DISTRICTS IN IDAHO: USGS, 20TH ANN. REPT., PT. 3, P. 75-205.

  • Deposit

    ASHER, R. R., 1968, GEOLOGY AND MINERAL RESOURCES OF A PORTION OF THE SILVER CITY REGION, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138, 106 P.

  • Deposit

    1968 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 138

  • Deposit

    USGS COMPILE W. LINDGREN 20TH ANN REPT.

General comments

Subject category Comment text
Deposit ON W EXTENSION OF DELAMAR VEIN SYSTEM

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1975 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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