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  3. Mineral Resource Data System (MRDS)

Long Ridge

Producer in Curry county in Oregon, United States with commodity Manganese
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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 10043036
MRDS ID M061510
Record type Site
Current site name Long Ridge
Related records 10250103

Geographic coordinates

Geographic coordinates: -124.07061, 42.26593 (WGS84)

Site location context

Political divisions (FIPS codes)

Curry(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Big Craggies(quadrangle 1:24,000 scale)

Gold Beach(quadrangle 1:100,000 scale)

Cape Blanco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chetco(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 Curry

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 038S 012W 13 Oregon

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Rhodonite Ore

Analytical data

Result GRAB SAMPLE FROM STOCKPILE ASSAYED 52.5% MN

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Dothan
    Rock description Dothan
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -124.07061, 42.26593
ListMap

Economic information

Ore body information

  • General form LENS, PODS
    Thickness 0.1M
    Length 41.15M
    Width 18.29M

Comments on the geologic information

  • GEOL.DESC: SANDSTONE CONTAINS GRAY CHERT LENSE THAT PARALLEL BEDDING.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Reference information

Bibliographic references

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, P.45

  • Deposit

    APPLING, R.N., 1958, MANGANESE DEPOSITS OF SOUTHWESTERN OREGON; USBM REPT. INV. 5369, P.11

General comments

Subject category Comment text
Deposit 2 CHERT LENSES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAR-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