Morrison Mine

Past Producer in Custer county in Idaho, United States with commodities Gold, Silver, 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071094
MRDS ID W014310
MAS/MILS ID 0160370299
Record type Site
Current site name Morrison Mine
Alternate or previous names George Washington Mine

Geographic coordinates

Geographic coordinates: -114.73233, 44.38489 (WGS84)
Elevation 2073
Relative position 1 MI N OF BONANZA 16 1/4 MI NE OF STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Custer(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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 012N 015E 08 NW Idaho

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Copper Tertiary

Comments on the commodity information

  • No Au - Ag Minerals Visible.

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicified, Sericitized

Analytical data

Result COARSE GOLD NUGGETS FOUND, WEIGHT FROM 8 - 10 OZ, ONE 32 OZ.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Challis Volcanics-Andesite Flow
    Rock description Challis Volcanics-Andesite Flow
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -114.73233, 44.38489

Economic information

Ore body information

  • Width 0.61M

Economic information about the deposit and operations

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

Mining district

District name Yankee Fork District

Land status

Ownership category Private

Comments on the production information

  • Production Value $100000

Comments on the workings information

  • All Underground Workings Caved

Reference information

Bibliographic references

  • Deposit

    Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.

  • Deposit

    Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P.

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 427, P. 206.

  • Production

    Umpleby, J. B., 1913, USGS Bulletin 539

General comments

Subject category Comment text
Deposit 2 Veins Exposed, Strikes Are Same, Main Vein Dips 50 Deg Nw, Other Dips 75 Deg Se.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 04-NOV-1992 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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