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Teshio 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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  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. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10040066
MRDS ID M053087
Record type Site
Current site name Teshio Mine
Alternate or previous names Teshio Reg No 55

Geographic coordinates

Geographic coordinates: 142.2318, 44.63166 (WGS84)
Elevation 250
Relative position 7.5 KM W OF ONNENAI STATION

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
Mercury Ore
Calcite Gangue
Chalcedony Gangue
Opal Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Complete Silicification Locally

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) 142.2318, 44.63166
ListMap

Economic information

Ore body information

  • General form FUNNEL
    Thickness 20M
    Length 500M
    Depth to top 5M
    Depth to bottom 50M

Controls for ore emplacement

  • Contact Between Sandstone-Shale & Serpentine Intrusions (Crush Zone)

Comments on the geologic information

  • GEOL.DESC: COATINGS ALONG SHEAR ZONES IN SERPENTINE; ALONG CRACKS, JOINTS IN SANDSTONE, SHALE; RICHEST ZONE IN LIMESTONE LENS; RICH NATIVE HG IN SHALE ALONG CONTACT ZONE, RICH CINNABAR ON SERPENTINE SIZE OF ZONE. 4 DEPOSITS-RANGE IN AREA BETWEEN 20 M**2 TO 40 M X 200 M; SHALLOW

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Production years 1936 - 1945

Production statistics

  • Year 1947
    Period 1947
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^Hg = 0.087 %
    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 400000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Mercury Hg 0.032 wt-pct Mercury Minor 1947

Comments on the reserve resource information

  • DATA INCLUDES BOTH PROVED AND PROBABLE RESERVES

Comments on the workings information

  • ALL ADITS WERE CAVED IN JULY 1946 , MOST CUTS WERE FILLED WITH SLUMPED DEBRIS

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    HILPERT, LS., 1947 , "MERCURY RESOURCES OF JAPAN," SUP COMM ALLIED FORCES NAT RES DIV REP NO 91

  • Production

    HILPERT, LS., 1947 , SUP COMM ALL FOR NAT RES DIV

  • Reserve-Resource

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

General comments

Subject category Comment text
Deposit "CRETACEOUS ROCKS SIMILAR TO THOSE AT TESHIO CONTAIN TREGONIA"

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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