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  3. Mineral Resource Data System (MRDS)

Tokachi Mine

Past Producer in Hokkaido, Japan 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. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10040084
MRDS ID M053109
Record type Site
Current site name Tokachi Mine
Alternate or previous names Tokachi Reg No 21, 24

Geographic coordinates

Geographic coordinates: 143.26514, 43.69837 (WGS84)
Elevation 500
Relative position 4.8 KM FROM HAGIGAOKA STATION SHIHORO RR LINE

Site location context

Political divisions (FIPS codes)

Hokkaido(province)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Japan Hokkaido
Japan Hokkaido

Commodities

Commodity Importance
Mercury Secondary

Materials information

Materials Type of material
Cinnabar Ore
Calcite Gangue
Opal Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) 143.26514, 43.69837
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Ns, Ew Trending Vertical Fractures

Ore body information

  • General form RECUMBENT
    Length 1000M
    Width 400M

Controls for ore emplacement

  • Vertical Fractures, Joints; Bedding (Occas.)

Comments on the geologic information

  • GEOL.DESC: DEPOSIT = 20,000 M**2 AREA, SOME DISSEMINATIONS IN TUFFACEOUS SHALE NEAR FRACTURES

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Production years 1939 - 1945

Production statistics

  • Year 1947
    Period 1947
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^Hg = 1.048 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 1wt-pct
  • Year 1947
    Period 1947
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^Hg = 0.047 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 0wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1947
    Total resources 85000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Mercury Hg 0.025 wt-pct Mercury Minor 1947

Comments on the reserve resource information

  • DATA INCLUDES BOTH PROVED & PROBABLE RESERVES

Reference information

Bibliographic references

  • Deposit

    HORI, S., 1953 , "MERCURY DEPOSITS OF JAPAN," GEOL SUR JAP REPORT NO 154 , P. 103

  • Deposit

    HILPERT, LS, 1947 , "MERCURY RESOURCES OF JAPAN," GEN HEADQU. SUP COM ALL FORC NAT RES DIV REP NO 91

  • Production

    HILPERT, LS, 1947 , GEN HEADQU SUP ALL COM NAT RES DIV REP.

  • Reserve-Resource

    HILPERT, LS, 1947 , GEN HEADQU SUP COMM ALL FOR NAT RES DIV REP NO 91

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1978 Roddy, Stephen J. U.S. Geological Survey

Beyond USGS

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

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