Golconda

Producer in Baker county in Oregon, United States with commodities Gold, Silver, Copper, Zinc, Arsenic, Antimony
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10109334
MRDS ID M014103
Record type Site
Current site name Golconda
Related records 10152972

Geographic coordinates

Geographic coordinates: -118.21522, 44.82013 (WGS84)
Elevation 1707

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
Willamette 008S 037E 32 SW Oregon

Comments on the location information

  • SW 1/4, ON THE NORTH POLE-COLUMBIA LODE IMMEDIATELY SOUTHWEST OF THE COLUMBIA MINE.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary
Zinc Critical Tertiary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Marcasite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Analytical data

Result RATIO OF CONCENTRATION 7:1 TO 5:1 . FREE GOLD 40 TO 50 PERCENT. GOLD-SILVER RATIO IN BULLION 720 TO 220

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    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) -118.21522, 44.82013

Economic information

Geologic structures

Type of structure Regional
Structure description East-West Trending Thrust Fault

Ore body information

  • Width 60.96M

Comments on the geologic information

  • VEIN FILLS A NORMAL FAULT WHICH CUTS AN OLDER THRUST FAULT CONTACT BETWEEN ARGILLITE AND METAGABBRO

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Production years 1897 - 1904

Mining district

District name Cracker Creek

Land status

Ownership category Private
Area name Wallowa-Whitman National Forest

Comments on the workings information

  • 510 FT. UNDERGROUND SHAFT WITH SEVERAL LEVELS, AND 1300 FT. ADIT, WORKINGS TOTAL 7000 FT.

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P.75

  • Deposit

    OREGON METAL MINES HANDBOOK, 1939, ODGMI BULL. 14-A,P.36

  • Deposit

    LINDGREN, W., 1901, THE GOLD BELT OF THE BLUE MOUNTAINS OF EASTERN OREGON; USGS ANN. REPT. NO. 22, P.665

  • 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 GMS-19

General comments

Subject category Comment text
Deposit COMPOSITE QUARTZ VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-JAN-1982 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