Imnaha Mine

Occurrence in Wallowa county in Oregon, United States with commodity Gold
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10032886
MRDS ID M014681
Record type Site
Current site name Imnaha Mine
Alternate or previous names Winchester Mine
Related records 10274775

Geographic coordinates

Geographic coordinates: -116.68851, 45.3168 (WGS84)

Site location context

Political divisions (FIPS codes)

Wallowa(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Squirrel Prairie(quadrangle 1:24,000 scale)

Riggins(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hells Canyon(hydrologic unit)

Lower Snake(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Wallowa-Whitman National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Hells Canyon Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Wallowa

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 003S 049E 10 Oregon

Comments on the location information

  • ABOUT 400 FEET FROM BATTLE CREEK AND ONE MILE FROM ITS JUNCTION WITH THE SNAKE RIVER

Commodities

Commodity Importance
Gold Primary

Analytical data

Result CONCENTRATES ASSAY $300 TO $500 PER TON.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Wildsheep Creek Formation
    Rock description Wildsheep Creek Formation
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -116.68851, 45.3168

Economic information

Ore body information

  • Width 1.07M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Snake River

Land status

Ownership category
Area name Wallowa-Whitman National Forest

Comments on the workings information

  • 4,000 FEET OF TUNNELS, SHAFTS, AND CROSSCUTS

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1939 , ODGMI BULL. 14 - A, P. 117

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-JAN-1980 Brooks, Howard C. U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

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