Great Northern Mine

Past Producer in Siskiyou county in California, United States with commodity Mercury
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10103799
MRDS ID M055488
Record type Site
Current site name Great Northern Mine
Alternate or previous names Empire Canyon, Empire, Mercury Mine, J.N.P. Mining Company, Morgan Brothers Mine, Herzog-Morgan, Minnehaha
Related records 10189745

Geographic coordinates

Geographic coordinates: -122.73223, 41.9165 (WGS84)
Elevation 1097
Location accuracy 100(meters)
Relative position 21 MI BY ROAD FROM HORNBROOK, 4 MI FROM GOTTVILLE, Accurate To Common Corner

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cottonwood Peak(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 047N 008W 13,14,24 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Mercury Ore
Calcite Gangue
Pyrite Gangue

Mineral occurrence model information

Model code 179
USGS model code 27c
Deposit model name Silica-carbonate Hg

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -122.73223, 41.9165

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form FISSURE FILLING, VUG FILLINGS, AND DISSEMINATED IN VEINS
    Strike N20E
    Dip 62NW
    Length 426.72M
    Width 2.74M

Comments on the geologic information

  • MINE IS NEAR CONTACT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905
Discoverer Morgan Brothers
Year of first production 1919
Production years 1929-1943

Mining district

District name Klamath River District

Ownership information

  • Type Operator
    Owner Lowe, C. A.
    First year 1939
  • Type Owner
    Owner J. C. H. Humphrey
    First year 1939

Production statistics

  • Year 1962
    Period To 1962
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^3-5 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Mercury Mercury 127g/mt

Workings at the site

  • Type of workings Surface/Underground
    Area 24.282HA

Comments on the workings information

  • ADITS WITH SEVERAL THOUSAND FEET OF UNDERGROUND WORKINGS

Comments on development

  • ECON.COM: ORE RESERVES DEPLETED (HOLMES)

Reference information

Bibliographic references

  • Deposit

    BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILES

  • Deposit

    HOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 171, 198.

  • Deposit

    RANSOME, A.L., AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 35, NO. 4, P. 459.

  • Deposit

    LOGAN, C.A., 1925, SACRAMENTO FIELD DIVISION, SISKIYOU COUNTY, IN 21ST REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 495-496.

  • Production

    USBM DATA

General comments

Subject category Comment text
Deposit ORE IS DEPLETED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit MAIN VEIN ATTITUDE: N37E, VERTICAL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-75 Gassaway, J. S. U.S. Geological Survey
Updater 01-JAN-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.