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Grayback Prospect

Occurrence in Josephine county in Oregon, United States with commodities Manganese, Iron
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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. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043048
MRDS ID M061523
Record type Site
Current site name Grayback Prospect
Related records 10250065

Geographic coordinates

Geographic coordinates: -123.37504, 42.1351 (WGS84)

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kerby 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 039S 006W 35 Oregon

Commodities

Commodity Importance
Manganese Critical Primary
Iron Primary

Comments on the commodity information

  • MANGANIFEROUS IRON DEPOSIT

Materials information

Materials Type of material
Hematite Ore

Analytical data

Result GRAB SAMPLE ASSAYED 8.6 % MN
Result 31.5 % FE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Applegate Group
    Rock description Applegate Group

Nearby scientific data

(1) -123.37504, 42.1351
ListMap

Economic information

Ore body information

  • General form FLOAT-UNDEFINED BEDROCK

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Comments on the workings information

  • PIT 40X50X2 DEEP

Reference information

Bibliographic references

  • Deposit

    APPLING, R.N., 1958, MANGANESE DEPOSITS OF SOUTHWESTERN OREGON; USBM REPT. INVEST. 5369, P.25

General comments

Subject category Comment text
Deposit VERY POORLY EXPOSED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. 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.

Maps centered on this site