Black Boy

Producer in Douglas county in Oregon, United States with commodity Chromium
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. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10042940
MRDS ID M061286
Record type Site
Current site name Black Boy
Alternate or previous names Starvout Group
Related records 10225980

Geographic coordinates

Geographic coordinates: -123.20809, 42.73204 (WGS84)
Elevation 1219

Site location context

Political divisions (FIPS codes)

Douglas(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

King Mountain(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Umpqua(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

Bureau of Land Management OR BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Oregon Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 033S 004W 5 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ASSAYS AS HIGH AS 48% CR2O3 WERE OBTAINED

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.20809, 42.73204

Economic information

Ore body information

  • General form LENS
    Strike N 20 E
    Dip SE
    Thickness 1.83M
    Length 609.6M

Comments on the geologic information

  • GEOL.DESC: HIGHLY SHEARED DARK GREENISH - BLACK SERPENTINITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Riddle

Land status

Ownership category National Forest

Production statistics

  • Year 1955
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^45. % Cr2o3 (Conc)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Cr2O3 Chromium Chromium 45wt-pct

Comments on the production information

  • AVERAGE GRADE ABOUT 45% CR2O3, 12% FE; INCLUDES PRODUCTION FROM YELLOW JACKET CLAIM

Comments on the workings information

  • AVERAGE GRADE ABOUT 45% CR2O3, 12% FE; INCLUDES PRODUCTION FROM YELLOW JACKET CLAIM

Reference information

Bibliographic references

  • Deposit

    RAMP, LEN, 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 75, 106 P.

  • Deposit

    RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.

  • Deposit

    THAYER, T. P., 1974, UNPUBL. DATA

General comments

Subject category Comment text
Deposit DRILLING OF ZONE UNDERLYING LARGE OPENCUT MIGHT INDICATE ADDITIONAL ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1984 Unknown U.S. Geological Survey
Updater 01-FEB-1981 Ferns, Mark L. (Brooks, Howard C.) 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.