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  3. Mineral Resource Data System (MRDS)

Rob Roy

Occurrence in Grant county in Oregon, United States with commodities Gold, Silver, Arsenic
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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. 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 10095165
MRDS ID M015717
Record type Site
Current site name Rob Roy
Related records 10128449

Geographic coordinates

Geographic coordinates: -118.29105, 44.86902 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Ireland(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Powder(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle 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)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 008S 036E 15 Oregon

Comments on the location information

  • ON EXTENSION OFTHE GRAND CENTRAL VEIN

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bald Mountain Batholith
    Rock description Bald Mountain Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Elkhorn Ridge Argillite
    Rock description Elkhorn Ridge Argillite

Nearby scientific data

(1) -118.29105, 44.86902
ListMap

Economic information

Comments on the geologic information

  • VEIN IS IN GRANODIORITE AND PARALLELS THE CONTACT WITH ADJACENT HORNFELSED ARGILLITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cable Cove

Land status

Ownership category Private
Area name Wallowa-Whitman National Forest

Reference information

Bibliographic references

  • Deposit

    FERNS, M.L., AND OTHERS, 1982, MAP OF THE GEOLOGY AND MINERAL DEPOSITS OF THE MT. IRELAND QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGMI MAP IN PREPARATIO

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1980 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-JAN-1982 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.

External references

Maps centered on this site