Demming Mine

Past Producer in Owyhee county in Idaho, United States with commodities Antimony, Gold, Silver, Lead, Zinc
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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069902
MRDS ID W007672
Record type Site
Current site name Demming Mine
Alternate or previous names Boulder Creek Mine

Geographic coordinates

Geographic coordinates: -116.70597, 42.87155 (WGS84)
Elevation 1597
Relative position 12 MI. S. OF SILVER CITY

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Triangle Flat(quadrangle 1:24,000 scale)

Triangle(quadrangle 1:100,000 scale)

Jordan Valley(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 006S 003W 28 Idaho

Comments on the location information

  • W. SIDE OF BOULDER CREEK

Commodities

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

Materials information

Materials Type of material
Silver Ore
Sphalerite Ore
Stibnite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Silver City Granite-Granodiorite
    Rock description Silver City Granite-Granodiorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -116.70597, 42.87155

Economic information

Ore body information

  • General form LENSES, VEINLETS
    Dip 90 DEG
    Length 91.44M
    Width 3.05M

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 Steele District

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Demming Mining Co.

Comments on the production information

  • TOTAL PRODUCTION ABOUT $10,000. 7 CARLOADS SHIPPED IN 1918

Workings at the site

  • Type of workings Underground
    Length 2438.4M
    Overall depth 60.96M

Comments on the workings information

  • 4 ADITS, A VERTICAL SHAFT

Comments on development

  • 36 UNPATENTED CLAIMS ( 1923 )

Reference information

Bibliographic references

  • Deposit

    BELL, R. N., 1920 , REOPENING OF OLD DELAMAR MINE UNDERWAY: ENG. MINING JOUR., V. 110 , NO. 11 , P. 538 - 539.

  • Deposit

    SALMAN, D.S.A., 1972, GEOLOGY OF TRIANGLE QUADRANGLE AREA, OWYHEE COUNTY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M. S. THESIS, 65 P.

  • Deposit

    WALKER, W.P., JR., 1965, GEOLOGY OF A PART OF THE OWYHEE MOUNTAINS SOUTH OF SILVER CITY, IDAHO: MOSCOW, UNIV. OF IDAHO, MS THESIS, 59 P.

  • Deposit

    CAMPBELL, S., 1923 , 25TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO FOR 1923.

  • Production

    SALMAN, D.S.A., 1972, MOSCOW, IDAHO, UNIV. OF IDAHO, M. S. THESIS, 65 P. CAMPBELL, S., 1923 , 25TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO FOR 1923.

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.