Bryan Mine

Past Producer in Lemhi county in Idaho, United States with commodities Copper, Silver, Gold, Lead
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. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070815
MRDS ID W013914
Record type Site
Current site name Bryan Mine
Alternate or previous names Brough Property

Geographic coordinates

Geographic coordinates: -114.53593, 44.97458 (WGS84)
Elevation 1926
Relative position .5 MI SW OF OLD TOWN OF YELLOWJACKET

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 13 Idaho

Comments on the location information

  • ON RIDGE 300 TO 460 FT. ABOVE SNOWSTORM ADIT

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary
Lead Primary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Yellowjacket Formation-Quartzite
    Rock description Yellowjacket Formation-Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.53593, 44.97458

Economic information

Ore body information

  • General form STRINGERS
    Thickness 0.4M
    Length 30.48M

Controls for ore emplacement

  • Fractures

Comments on the geologic information

  • YELLOWJACKET FORMATION TRENDS N 40 DEG E.; IMPORTANT FRACTURES STRIKE N 80 DEG W AND N 20 DEG E

Economic information about the deposit and operations

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

Mining district

District name Yellowjacket District

Land status

Ownership category National Forest
Area name Salmon National Forest

Production statistics

  • Year 1941
    Period 1935-1941
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^0.16% Pb, 0.38% Cu, 0.81 Oz Au, 0.30 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 0wt-pct
    Ore Copper Copper 0wt-pct
    Trace Ore Gold Gold 23g/mt
    Ore Silver Silver 8g/mt

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 GEOLOGY PAMPHLET 94, 41 P.

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.