Boston Tunnel

Occurrence in Grant county in Oregon, United States with commodities Gold, Silver
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 10036621
MRDS ID M025496
Record type Site
Current site name Boston Tunnel
Related records 10298480

Geographic coordinates

Geographic coordinates: -118.38966, 44.86318 (WGS84)
Elevation 1844

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Granite(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 008S 035E 14 SW Oregon

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Cretaceous
  • 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) -118.38966, 44.86318

Economic information

Ore body information

  • Strike N40E
    Dip 80W

Comments on the geologic information

  • SHEAR ZONE WITH QUARTZ STRINGERS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Granite Area

Land status

Ownership category Private
Area name Wallowa-Whitman National Forest

Comments on the workings information

  • SHORT ADIT

Reference information

Bibliographic references

  • Deposit

    KOCH, G.S. JR., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON; ODGMI BULL. 49, P. 21

  • Deposit

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

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