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Continental Mine

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

Geologic information

Identification information

Deposit ID 10070809
MRDS ID W013907
Record type Site
Current site name Continental Mine
Alternate or previous names One of Steen Group
Related records 10192711

Geographic coordinates

Geographic coordinates: -114.53903, 44.97598 (WGS84)
Elevation 1951
Relative position 6 MI E OF MIDDLE FORK PEAK

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Yellowjacket(quadrangle 1:24,000 scale)

Challis(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 019N 016E 14 Idaho

Comments on the location information

  • IN STEEP SHALLOW GULCH ABOUT MIDWAY UP THE E. SLOPE OF STEEN HILL.

Commodities

Commodity Importance
Gold Primary
Copper Primary
Silver Primary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Tetrahedrite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Shallow Oxidation

Analytical data

Result SAMPLES CONTAIN 0.10 TO 0.30 OZ AU/TON
Result 1.0 TO 1.5% CU. RECORDS SHOW AVERAGE OF 0.10 TO 0.20 OZ AU/TON, 1 TO 2% CU.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Yellowjacket Formation-Quartzitic, Slightly Calcareous Beds
    Rock description Yellowjacket Formation-Quartzitic, Slightly Calcareous Beds
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock

Nearby scientific data

(1) -114.53903, 44.97598
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Brecciation

Ore body information

  • General form IRREGULAR VEINLETS
    Strike NE
    Dip NW
    Plunge direction NW
  • General form IRREGULAR VEINLETS
    Dip NW

Controls for ore emplacement

  • Fracture - Breccia Stockwork

Comments on the geologic information

  • YELLOWJACKET FORMATION TREND NW, DIP SW AT SMALL TO MODERATE ANGLES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1891

Mining district

District name Yellowjacket District

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner Steen Family

Workings at the site

  • Type of workings Surface/Underground
    Length 417.58M

Comments on development

  • COMPRESSOR, MINING EQUIPMENT, FLOTATION PLANT BULLDOZER

Reference information

Bibliographic references

  • Deposit

    ANDERSON, ALFRED L., 1953, GOLD - COPPER - LEAD DEPOSITS OF THE YELLOWJACKET DISTRICT, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 94, 41 P

  • Deposit

    1953 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 9

  • Production

    ANDERSON, A. L., 1953, IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 94, 41 P.

General comments

Subject category Comment text
Deposit SMALL VEINS STRIKE N 70 DEG E, DIP 30 DEG NW.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

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