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Brown Bear Prospect

Prospect in Custer county in Idaho, United States with commodities Silver, Gold, Sulfides, Lead, 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. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10096294
MRDS ID W014093
MAS/MILS ID 0160370110
Record type Site
Current site name Brown Bear Prospect

Geographic coordinates

Geographic coordinates: -115.11065, 44.59658 (WGS84)
Elevation 2377
Relative position 11 MI S OF MIDDLE FORK GUARD STATION

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greyhound Mountain(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015N 011E 34 SENW Idaho

Comments on the location information

  • AT RIDGE CREST; 1 MI E OF GREYHOUND MOUNTAIN.

Commodities

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

Comments on the commodity information

  • A SAMPLE CONTAINED 1.0 GRAM GOLD AND 222.7 GRAM SILVER PER METRIC TON. (MAS data)

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Fe Oxides

Analytical data

Result 1 SAMPLE ASSAYED 0.03 OZ AU/TON, 6.5 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granitic Rock
    Rock description Idaho Batholith-Granitic Rock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) Granodiorite and two-mica granite.
ListMap

Economic information

Ore body information

  • Strike N
    Dip 90 DEG
    Thickness 0.09M
    Length 9.14M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Deposit size Small
Significant No
Discovery year 1960

Mining district

District name Seafoam District

Land status

Ownership category National Forest
Area name Challis National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Ownership information

  • Type Owner
    Owner Marion C. Smith
    Home office Oregon

Comments on the workings information

  • 4 PITS

Comments on development

  • 2 CLAIMS

Reference information

Bibliographic references

  • Deposit

    CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 1304, 431 P

  • Deposit

    1973 RECON CATER, F. W., AND OTHERS, BULL. 130

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Miller, Pat J. U.S. Geological Survey
Reporter 01-MAR-1995 Weldin, Robert U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site