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  3. Mineral Resource Data System (MRDS)

Aldora Claim

Occurrence in Baker county in Oregon, United States with commodity Gold
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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. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036521
MRDS ID M025383
Record type Site
Current site name Aldora Claim
Related records 10257010

Geographic coordinates

Geographic coordinates: -118.18882, 44.75485 (WGS84)
Elevation 1475
Relative position ONE MILE NORTHEAST OF SUMPTER

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bourne(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 Baker

Public Land Survey System information

Meridian Township Range Section Fraction State
009S 037E 28 SE OF NW Oregon

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Gangue
Talc Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Stratigraphic age (youngest) Early Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Elkhorn Ridge Argillite
    Rock description Elkhorn Ridge Argillite

Nearby scientific data

(1) Intrusive rocks
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description N45w Trending Fault Zone

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • ADIT CROSSCUTS FAULT CONTACT BETWEEN ARGILLITE AND A MIXED ROCK ZONE WHICH CONSISTS OF BASALTIC GREENSTONE, CHERT, LIMESTONE, METAGABBRO, AND METASERPENTINITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sumpter Distric

Land status

Ownership category National Forest
Area name Wallowa-Whitman National Forest

Workings at the site

  • Type of workings Underground
    Length 60.96M

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND OTHERS, 1981, MAP OF THE GEOLOGY AND GOLD DEPOSITS OF THE BOURNE QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGMI MAP WITH TEXT GMS-19

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 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.

Maps centered on this site