Thomason and Schwayder

Producer in Baker county in Oregon, United States with commodities Gold, Molybdenum, Copper, 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10106870
MRDS ID M015770
Record type Site
Current site name Thomason and Schwayder
Alternate or previous names Lucky Boy, Showdown
Related records 10273925

Geographic coordinates

Geographic coordinates: -118.22743, 44.37347 (WGS84)
Relative position SIX MILES SOUTH OF UNITY

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rastus Mountain(quadrangle 1:24,000 scale)

John Day(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Burnt(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 014S 037E 7 Oregon

Commodities

Commodity Importance
Gold Primary
Molybdenum Primary
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chrysocolla Ore
Molybdenite Ore
Chlorite Gangue
Limonite Gangue
Serpentine Gangue

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Weatherby Formation;Weatherby Formation
    Rock description Weatherby Formation;Weatherby Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -118.22743, 44.37347

Economic information

Controls for ore emplacement

  • Shear Zone Along Contact Between Serpentinized Peridotite And Jurassic Sedimentary Rocks

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Unity

Land status

Ownership category
Area name Wallowa-Whitman National Forest

Ownership information

  • Type Operator
    Owner Art Cheatum

Production statistics

  • Year 1947
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^.35 Oz Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 11g/mt

Comments on the production information

  • PRODUCTION FIGURES FOR 1977-1979 NOT AVAILABLE.

Reference information

Bibliographic references

  • Deposit

    WAGNER, N.S. 1948, LUCKY BOY MINE; ODGMI FILE REPORT

  • Deposit

    BROOKS, H.C. AND OTHERS, 1979 GEOLOGIC MAP OF THE RASTUS MOUNTAIN QUADRANGLE; ODGMI OPEN FILE REPORT 0-79-7

  • Deposit

    ODGMI RECON 1948 FILE REPOR

  • Production

    ODGMI FILE REPORT

General comments

Subject category Comment text
Deposit LOCALLY SMALL, FINE GRAINED GRANODIORITE DIKES CUT ACROSS THE SHEAR ZONE. FREE GOLD OCCURS BOTH IN THE DIKES AND IN THE SHEARED COUNTRY ROCK. QUARTZ IS RARE. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries
Updater 01-MAY-1995 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.