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Continental

Producer in Grant county in Oregon, United States with commodities Gold, Silver, Lead, Zinc, 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. 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 10109352
MRDS ID M014804
Record type Site
Current site name Continental
Related records 10298494

Geographic coordinates

Geographic coordinates: -118.36855, 44.88596 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crawfish Lake(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 12 Oregon

Comments on the location information

  • ABOUT 8 MILES BY ROAD NORTHEAST OF GRANITE.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Tertiary
Zinc Critical Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result SIX DUMP SAMPLES TAKEN BY YOUNG (1979) HAVE AN ARITHMATIC AVERAGE OF 0.08 OZ/TON AU
Result 0.25 OZ/TON AG
Result 0.002 % CU
Result 0.008 % PB
Result 0.01 % ZN AND 0.23 % AS

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) Early Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Rock unit name Elkhorn Ridge Argillite
    Rock description Elkhorn Ridge Argillite

Nearby scientific data

(1) -118.36855, 44.88596
ListMap

Economic information

Ore body information

  • Strike 45 - 75 E
    Dip 35 - 50 S
    Width 0.3M

Comments on the geologic information

  • MICA SCHIST IS BELIEVED TO BE CONTACT-METAMORPHOSED ARGILLITE. ; GEOL.DESC: COUNTRY ROCK DERIVED FROM THERMAL ALTERATION OF ARGILLITE. PEGMATITES NUMEROUS. STREAK OF GOUGE BETWEEN VEIN AND HANGING WALL.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Granite

Land status

Ownership category
Area name Wallowa-Whitman National Forest

Comments on the production information

  • ABOUT $50,000 SAID TO HAVE BEEN PRODUCED FROM HIGH-GRADE ORE ABOUT 1915

Comments on the workings information

  • DEVELOPED BY 4 SHORT ADITS AND SEVERAL CUTS TOTALLING ABOUT 900 FEET. ABOUT $50,000 SAID TO HAVE BEEN PRODUCED FROM HIGH-GRADE ORE ABOUT 1915

Reference information

Bibliographic references

  • Deposit

    BROOKS, H. C., AND RAMP, L., 1968 , GOLD AND SILVER IN OREGON, ODGMI, BULL. 61 , P. 78 .

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 46 .

  • Deposit

    YOUNG, J.S., 1979, PARAGENESIS AND GEOCHEMISTRY OF THE GRANITE GOLD DISTRICT, GRANT COUNTY, OREGON; COLORADO STATE UNIV. MS THESIS

  • Deposit

    KOCH, G.S., 1959, LODE MINES OF THE CENTRAL PART OF THE GRANITE MINING DISTRICT, GRANT COUNTY, OREGON; ODGMI BULL. 49, P.27

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-APR-1980 Bradley, Robin (Walker, George W.) 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