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Poorman Mine

Past Producer in Owyhee county in Idaho, United States with commodities Silver, Gold, Lead, Copper, Zinc
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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. 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. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069926
MRDS ID W007712
Record type Site
Current site name Poorman Mine
Alternate or previous names Oso, Belle Peck Tunnels
Related records 10192881

Geographic coordinates

Geographic coordinates: -116.71037, 43.01408 (WGS84)
Elevation 2347
Relative position 1500 FT W OF WAR EAGLE MTN.

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silver City(quadrangle 1:24,000 scale)

Murphy(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Snake-Succor(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Owyhee

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005S 003W 08,05 Idaho

Comments on the location information

  • ON WAR EAGLE MOUNTAIN (WESTERN SLOPE)

Commodities

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

Comments on the commodity information

  • ORE WORTH $46 A TON IN 1870

Materials information

Materials Type of material
Cerargyrite Ore
Chalcopyrite Ore
Gold Ore
Owyheeite Ore
Polybasite Ore
Proustite Ore
Pyrargyrite Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Calcite Gangue
Marcasite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification; Epidote; Chlorite; Sericite; Kaolin

Analytical data

Result AU:AG RATIO AVERAGED 1:37.5 BY WEIGHT NEAR SURFACE, 1:5.6 ON INTERMEDIATE LEVELS, AND 1:1.1 ON LOWEST LEVEL.

Host and associated rocks

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

Nearby scientific data

(1) -116.71037, 43.01408
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N - S
    Dip VERTICAL
    Length 1609.3M
    Width 1.37M
    Depth to bottom 182.88M

Controls for ore emplacement

  • Fracture Intersections

Comments on the geologic information

  • GRANODIORITE CUT BY GRANITE PORPHYRY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1865
Year of first production 1865

Mining district

District name Carson District

Land status

Ownership category Private

Comments on the production information

  • TOTAL PRODUCTION OF $3,200,000 (MAINLY DURING 1865 - 73). IN 1869 $380,000 WORTH OF AU AND AG WAS MINED

Workings at the site

  • Type of workings Underground
    Length 609.6M
    Overall depth 289.56M
    Overall length 609.6M

Comments on the workings information

  • DEVELOPED BY 2 SHAFTS, RAISES, WINZES, AND ADITS TO TOTAL DEPTH OF 950 FT. ALSO THERE ARE 2 TUNNELS NAMED OSO AND BELLE PECK.

Comments on development

  • 7 PATENTED CLAIMS ( 1937 )

Reference information

Bibliographic references

  • 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

    PIPER, A. M., AND LANEY, F. B., 1926, GEOLOGY AND METALLIFEROUS RESOURCES OF THE REGION ABOUT SILVER CITY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY BULL. 11, 165 P.

  • Deposit

    LINDGREN, W., 1898, THE GOLD AND SILVER VEINS OF SILVER CITY, DELAMAR AND OTHER MINING DISTRICTS IN IDAHO: 20TH ANN. REPORT, U.S.G.S. P. 75 (PART 3).

  • Deposit

    CAMPBELL, A., 1935 , 37TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO FOR 1935.

  • Deposit

    1898 COMPILE W. LINDGREN 20TH ANN. REPT.

  • Deposit

    1926 GEOLMAP IDAHO BUREAU OF MINES & GEOL. BULL. 11

  • Deposit

    1935 DIREXPL CONSOLIDATED MIN. AND DREDGE CO.

  • Deposit

    1968 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138

  • Production

    LINDGREN, W., 1898 , USGS 20TH ANN. REPT. PT. 3 , P. 75 . RAYMOND, R. W., 1870 - 1873 , 41ST - 42ND CONGRESSES HOUSE OF REP. EX. DOCS.

Reporter information

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

Beyond USGS

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

External references

Maps centered on this site