Portland Prospect

Occurrence in Blaine county in Idaho, United States with commodities Gold, Silver
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. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070706
MRDS ID W013755
Record type Site
Current site name Portland Prospect
Related records 10217005

Geographic coordinates

Geographic coordinates: -114.61482, 43.86989 (WGS84)
Elevation 2499
Relative position 2 MI. E. OF GALENA, ID.

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Easley Hot Springs(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Hemingway-Boulders Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006N 016E 07 Idaho

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result ONE DUMP SAMPLE
Result TRACES AU AND AG

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Wood River Formation-Calcareous Limestone
    Rock description Wood River Formation-Calcareous Limestone
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -114.61482, 43.86989

Economic information

Ore body information

  • General form STRINGERS, PODS

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Galena District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 365.76M

Comments on the workings information

  • ONE CAVED ADIT

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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