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  3. Mineral Resource Data System (MRDS)

Robert L. Group

Occurrence in Grant county in Oregon, United States with commodity Copper
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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 10095346
MRDS ID M025553
Record type Site
Current site name Robert L. Group
Alternate or previous names Robert L., Marie Murry, And Brookling Claims
Related records 10225796

Geographic coordinates

Geographic coordinates: -118.79938, 44.30485 (WGS84)
Elevation 2109
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Creek Mountain(quadrangle 1:24,000 scale)

John Day(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Malheur National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Strawberry Mountain Wilderness(Wilderness)

Wilderness 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 015S 033E 06 NE Oregon

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Quartz Gangue
Serpentine Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Rock unit name Canyon Mountain Complex
    Rock description Canyon Mountain Complex
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro

Economic information

Ore body information

  • Width 2.5M

Comments on the geologic information

  • COPPER-BEARING QUARTZ VEINS AND SERPENTINOUS LENSES IN A SHEAR ZONE IN GABBRO

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Canyon City District

Land status

Ownership category National Forest
Area name Malheur Natioal Forest

Comments on the reserve resource information

  • THAYER AND OTHERS, 1977

Comments on the workings information

  • WORKINGS INCLUDE TWO CAVED SHAFTS, 10 TO 15 FT DEEP, A 187 FT ADIT AND A PIT

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
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.

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