Sidney Property

Producer in Owyhee county in Idaho, United States with commodities Silver, Gold, Copper
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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070290
MRDS ID W013119
Record type Site
Current site name Sidney Property
Alternate or previous names Cook Group, Cop Group

Geographic coordinates

Geographic coordinates: -116.79627, 43.01488 (WGS84)
Elevation 1829
Relative position ABOUT 3 MI W OF SILVER CITY AND 2 MI ENE 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)

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;004S 004W;004W 02,03,04,10,33,34 Idaho

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Pyrite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Silver City Rhyolite (Upper Rhyolite);Lower Basalt
    Rock description Silver City Rhyolite (Upper Rhyolite);Lower Basalt
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • 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
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -116.79627, 43.01488

Economic information

Geologic structures

Type of structure Local
Structure description Breccia

Ore body information

  • Length 2133.6M
    Width 213.36M

Controls for ore emplacement

  • Fracture Intersections In A Zone Of 2 Regional Fault Trends

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name De Lamar District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Asarco (American Smelting And Refining Co.)
    First year 1977

Comments on development

  • 3600 ACRES. 11 DIAMOND DRILL HOLES TOTAL OVER 4500 FT 164 CLAIMS (77 IN COOK GROUP, 92 IN COP GROUP) AND LEASE ON 400 ACRES OF STATE LAND. TREND SURFACE ANALYSIS USED.

Reference information

Bibliographic references

  • Deposit

    WESTERN MIN. NEWS, DEC. 7 , 1973; MAR. 4 , 1977.

  • Deposit

    SPOKANE CHRONICLE, NOV. 30, 1971; OCT. 11, 1968; JAN. 19, 1968.

  • Deposit

    WESTERN MIN. NEWS, 1974 - 75 DIRECTORY OF MINES IN IDAHO (COEUR D'ALENES) AND WASH., P. 116.

  • Deposit

    BENNETT, E. H., AND GALBRAITH, J. H., 1975 , RECONNAISSANCE GEOLOGY AND GEOCHEMISTRY OF THE SILVER CITY - SOUTH MOUNTAIN REGION, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 162 , 88 P.

  • Deposit

    1967 GEOCHEM SIDNEY MIN. CO.

  • Deposit

    1968 GEOPHYS SIDNEY MIN. CO.

  • Deposit

    1971 DIREXPL SIDNEY MIN. CO.

General comments

Subject category Comment text
Deposit THE COOK GROUP IS LOCATED BETWEEN BLACK JACK - TRADE DOLLAR MINES AND THE DELAMAR MINE.

Reporter information

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

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.