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Silver Still Mine

Producer in Washington county in Idaho, United States with commodities Silver, Copper, Lead, Gold, Zinc, Tin, Antimony
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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. 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. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. Reporter information

Geologic information

Identification information

Deposit ID 10070244
MRDS ID W013010
MAS/MILS ID 0160870051
Record type Site
Current site name Silver Still Mine
Alternate or previous names North Star Property, Addie, Sam and Eagle Group, Sam Group, Eagle Group

Geographic coordinates

Geographic coordinates: -117.06041, 44.56046 (WGS84)
Elevation 1097
Relative position 47 MI. NORTH OF WEISER, IDAHO, ON DENNETT CREEK, 20 MI. DOWNSTREAM OF HUNTINGTON, ORE.

Site location context

Political divisions (FIPS codes)

Washington(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monroe Butte(quadrangle 1:24,000 scale)

Baker City(quadrangle 1:100,000 scale)

Baker City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(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 Washington

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 014N 006W 09 Idaho

Comments on the location information

  • LIES JUST EAST OF THE BLACK HAWK GROUP.

Commodities

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

Comments on the commodity information

  • WORKED IN EARLY 20'S, BUT MOST PRODUCTION HAS BEEN BETWEEN 1929 AND 1940.

Materials information

Materials Type of material
Boulangerite Ore
Bournonite Ore
Chalcopyrite Ore
Enargite Ore
Galena Ore
Sphalerite Ore
Stannite Ore
Tetrahedrite Ore
Wurtzite Ore
Calcite Gangue
Marcasite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Oxidation, Sericitization

Analytical data

Result ORE CONTAINS 2% ZN. 1% CU, 1.5% PB, 12 OZ. AG/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Permian
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Diorite;Perm-Jur
    Rock description Diorite;Perm-Jur
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -117.06041, 44.56046
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Deposits On North Limb Of A Broad, Faulted Anticline Of General N.E. Trend
Type of structure Local
Structure description Trough Was Formed By A Westerly Dipping Basalt Dike And An Easterly Dipping Ore - Bearing Seam.

Ore body information

  • General form LENTICULAR
    Strike W. N. W.
    Dip 90 DEG
    Width 18.29M

Controls for ore emplacement

  • Fracture Controlled.

Comments on the geologic information

  • THE ANDESITIC ROCKS ARE PORPHYRITIC, GREEN IN COLOR. FELDSPARS ARE NOT DETERMINABLE. THE ROCK HAS UNDERGONE SERICITIC ALTERATION.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Year of first production 1923

Mining district

District name Mineral District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Silver Still Mining Co.
    Home office Weiser, ID

Production statistics

  • Year 1940
    Period 1934-1940, 1929
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^2% Zn, 1% Cu, 1.5% Pb, 12 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Lead Lead 2wt-pct
    Zinc Zinc 2wt-pct
    Trace Copper Copper 1wt-pct
    Silver Silver 339g/mt
  • Year 1940
    Period 1934-1940, 1929
    Material PB
    Accuracy Accurate
    Description Cp_Grade: ^38.1 Oz Ag/Ton, 1.1% Cu, 1.5% Pb, 0.01 Oz Au/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Lead Lead 2wt-pct
    Gold Gold 0g/mt
    Trace Copper Copper 1wt-pct
    Silver Silver 1076g/mt

Workings at the site

  • Type of workings Underground
    Length 548.64M
    Overall depth 45.72M

Comments on the workings information

  • MINE DEVELOPED BY TWO ADITS IN DIORITIC ROCK: ONE AT CREEK LEVEL, THE OTHER 140 FT. ABOVE THE OTHER, CONNECTED BY A RAISE.

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., AND WAGNER, W. R., 1952, ORE DEPOSITS OF THE MINERAL DISTRICT, WASH. CTY., ID.: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 95, 26 P.

  • Deposit

    LIVINGSTON, D. C., 1925, GEOLOGIC RECON. OF THE MINERAL AND CUDDY MTN. MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 13, P. 21.

  • Deposit

    COOK, E. F., 1954, MINING GEOLOGY OF THE SEVEN DEVILS REGION, IDAHO BUR. OF MINES AND GEOLOGY PAMPHLET 97, 22 P.

  • Deposit

    IDAHO DEPT. OF LABOR AND INDUSTRIAL SERVICES, FIRST ANNUAL REPORT ADDENDUM, JULY 1, 1974 - JUNE 30, 1975, 95 P.

  • Deposit

    5) ANDERSON, A.L., 1963 , SILVER MINERALIZATION IN THE MINERAL DISTRICT, WASHINGTON COUNTY, IDAHO: ECON. GEOLOGY, V. 58 , NO. 8 , P. 1195 - 1217

  • Deposit

    1925 RECON ID. BUREAU OF MINES GEOLOGY, PAM. 13.

  • Deposit

    1952 GEOLMAP ID. BUREAU OF MINES GEOLOGY, PAM. 95.

  • Deposit

    1954 COMPILE ID. BUREAU OF MINES GEOLOGY, PAM. 97

  • Deposit

    1975 COMPILE 1ST ANN. REPT. ADD., IDAHO DEPT. LABOR

  • Production

    ANDERSON, A. L., AND WAGNER, W. R., 1952, IBM & G PAMPHLET 95. {{ COOK, E. F., 1954, ID. BUREAU OF MINES AND GEOL., PAMPHLET 97.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Nakai, Terry L.; Miller, Pat U.S. Geological Survey

Beyond USGS

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

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