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Eureka-Dio Gracia Group

Producer in Grant county in Oregon, United States with commodities Gold, 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. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  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 10109364
MRDS ID M015064
Record type Site
Current site name Eureka-Dio Gracia Group
Related records 10152346

Geographic coordinates

Geographic coordinates: -118.60105, 44.68707 (WGS84)
Elevation 1524

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Vinegar Hill(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Fork 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)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 010S 034E 22 Oregon

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore

Nearby scientific data

(1) -118.60105, 44.68707
ListMap

Economic information

Ore body information

  • Width 6.1M

Controls for ore emplacement

  • Quartz

Comments on the geologic information

  • COUNTRY ROCK IS MEDIUM-GRAINED DARK GREY TO BROWN QUARTZ-DIORITE, VARYING TO A HEAVY APHANITIC BLACK ROCK WITH BASALTIC APPEARANCE. ; GEOL.DESC: SMALL GLASSY RIBBON QUARTZ VEINS ARE FOUND IN THE FACE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name New Eldoradogreenhorn

Land status

Ownership category
Area name Malheur Natioal Forest

Comments on the production information

  • ABOUT $1000 IN 1939.

Comments on the workings information

  • DEVELOPMENT CONSISTS OF 1400 FEET OF TUNNELS AND CROSS CUTS ON THREE LEVELS. ABOUT $1000 IN 1939.

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 77

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-JUN-1978 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.

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