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Gray Buck Group Group

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

Geologic information

Identification information

Deposit ID 10109710
MRDS ID M061606
Record type Site
Current site name Gray Buck Group Group
Related records 10249868

Geographic coordinates

Geographic coordinates: -123.76977, 42.35038 (WGS84)
Elevation 634

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pearsoll Peak(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Illinois(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Rogue River-Siskiyou National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 037S 009W 16 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.76977, 42.35038
ListMap

Economic information

Ore body information

  • General form LAYERS
    Thickness 2.74M

Comments on the geologic information

  • GEOL.DESC: NARROW INCLUSIONS OF AMPHIBOLE GNEISS ARE CLOSELY ASSOCIATED WITH CHROMITE BEARING LAYERS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Central Illinois River

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Production statistics

  • Year 1955
    Period 1916-1955
    Material ORE (CR)
    Accuracy Estimate
    Description Cp_Grade: ^47% Cr2o3 - 49% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Cr2O3 Ore Chromium Chromium 48wt-pct

Comments on the production information

  • NO ORE SEEN IN PLACE AT DIFFERENT CUTS IN 1955

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P

General comments

Subject category Comment text
Deposit RECORD NUMBER (M015279) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1991 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.

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