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Mammoth Prospect

Occurrence in Jackson county in Oregon, United States with commodity Mercury
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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. Alteration
  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. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10040979
MRDS ID M055884
Record type Site
Current site name Mammoth Prospect
Related records 10225550

Geographic coordinates

Geographic coordinates: -122.58863, 42.28539 (WGS84)
Relative position 1.5 MI NW OF SHALE CITY

Site location context

Political divisions (FIPS codes)

Jackson(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grizzly Peak(quadrangle 1:24,000 scale)

Medford(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Rogue(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 Jackson

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 038S 002E 09 NW OF NE Oregon

Comments on the location information

  • NW/4 NE/4 SEC 9

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Opalization Of Host Rocks

Analytical data

Result ASSAYS YIELDED 0.2 - 0.3 LB/TON HG, SELECTED HIGH GRADE SAMPLE SHOWED 9.1 LB/TON

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Little Butte Volcanic Series
    Rock description Little Butte Volcanic Series

Nearby scientific data

(1) -122.58863, 42.28539
ListMap

Economic information

Controls for ore emplacement

  • Opalized Material

Comments on the geologic information

  • GEOL.DESC: CINNABAR CONFINED TO THE OPALITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1951
Discoverer K. J. Khoorey

Mining district

District name Shale City

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner R. A. Myers
    First year 1963

Reference information

Bibliographic references

  • Deposit

    BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P., P. 81

General comments

Subject category Comment text
Deposit RECORD NUMBER (M013802) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.
Deposit CINNABAR IS FINELY DIVIDED IN OPALITE AND COATS OPALITE BRECCIA FRAGMENTS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Peterson, Jocelyn A. 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