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  3. Mineral Resource Data System (MRDS)

Matterhorn

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

Geologic information

Identification information

Deposit ID 10095145
MRDS ID M015166
Record type Site
Current site name Matterhorn
Alternate or previous names Wilmot Group
Related records 10177746

Geographic coordinates

Geographic coordinates: -117.30546, 45.22153 (WGS84)

Site location context

Political divisions (FIPS codes)

Wallowa(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Eagle Cap(quadrangle 1:24,000 scale)

Enterprise(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Wallowa(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)

Eagle Cap 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 004S 044E 15 Oregon

Commodities

Commodity Importance
Molybdenum Primary
Copper Primary
Tungsten Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore
Scheelite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Quartz Gangue

Analytical data

Result 7 CHIP SAMPLES ACROSS TACTITE ZONE: TRACE CU AND MO. 1 DUMP SAMPLE: 1% MO AND TRACE CU.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Martin Bridge Limestone;Lower Sedimentary Series
    Rock description Martin Bridge Limestone;Lower Sedimentary Series

Nearby scientific data

(1) -117.30546, 45.22153
ListMap

Economic information

Ore body information

  • Strike N
    Dip 75E
    Thickness 6M
    Length 1600M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Wallowa

Land status

Ownership category National Forest
Area name Wallowa-Whitman National Forest

Comments on the workings information

  • 4 PITS AND 1 ADIT

Reference information

Bibliographic references

  • Deposit

    WEIS, P.L., AND OTHERS, 1976, MINERAL RESOURCES OF THE EAGLE CAP WILDERNESS, AND ADJACENT AREAS, OREGON: USGS BULL. 1385-E, P. 74.

  • Deposit

    SMITH, W, AND OTHERS, 1941, THE GEOLOGY AND PHYSIOGX

  • Deposit

    1939 GEOLMAP ODGMI REF.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1977 Lee, W. U.S. Geological Survey
Updater 01-NOV-1979 Ferns, Mark L. (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.

Maps centered on this site