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Oro Fino

Occurrence in Grant county in Oregon, United States with commodities Gold, Silver, 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. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036589
MRDS ID M025458
Record type Site
Current site name Oro Fino
Related records 10298557

Geographic coordinates

Geographic coordinates: -118.47911, 44.74957 (WGS84)
Elevation 1585

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greenhorn(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(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 009S 035E 27 SE Oregon

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Materials information

Materials Type of material
Chlorite Gangue
Quartz Gangue
Sericite Gangue
Pyrite Unknown

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) Intrusive rocks
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Trending Shear Zones

Comments on the geologic information

  • PORPHYRY MINERALIZATION OCCURS IN DACITE AND TUFF BRECCIA APPARENTLY INTRUSIVE INTO A MAJOR CONTACT ZONE BETWEEN ARGILLITE AND ULTRAMAFICS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Alamo District / Granite Area

Land status

Ownership category Private
Area name Wallowa-Whitman National Forest

Ownership information

  • Type Operator
    Owner Don Valentine
    Home office Baker, Or.
    First year 1981
  • Type Owner
    Owner Lon Kris
    Home office Baker, Or.
    First year 1981

Comments on the workings information

  • SEVERAL OLD ADITS AND NUMEROUS NEW OPEN CUTS AND TRENCHES

Comments on development

  • ACTIVE EXPLORATION IN 1981.

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND OTHERS, 1982, MAP OF THE GEOLOGY AND MINERAL DEPOSITS OF THE GRANITE QUADRANGLE, GRANT COUNTY, OREGON; ODGMI MAP (IN PREPARATION)

General comments

Subject category Comment text
Deposit EXTENT OF MINERALIZATION UNKNOWN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.

External references

Maps centered on this site