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  3. Mineral Resource Data System (MRDS)

Yomichi Mine

Past Producer in Ehime, Japan with commodities Manganese, 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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10040034
MRDS ID M053045
Record type Site
Current site name Yomichi Mine
Alternate or previous names Ehime Registered Test Mine # 5165

Geographic coordinates

Geographic coordinates: 132.6489, 33.34875 (WGS84)
Relative position 500 M EAST OF YOMICHI

Site location context

Political divisions (FIPS codes)

Ehime(province)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Japan Ehime
Japan Ehime

Commodities

Commodity Importance
Manganese Critical Secondary
Mercury Tertiary

Materials information

Materials Type of material
Cinnabar Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite

Nearby scientific data

(1) 132.6489, 33.34875
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Folding

Ore body information

  • Thickness 1M
    Length 40M

Controls for ore emplacement

  • Cinnabar Occurs As Discontinuous, Very Thin Veins Filling Fissures Near Lower Contact Of Mn Oxide

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Production statistics

  • Year 1962
    Period 1962
    Material MN
    Accuracy Accurate
    Description Cp_Grade: ^Mno2 = 70 - 75 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor MnO2 Manganese Manganese 73wt-pct

Reference information

Bibliographic references

  • Deposit

    KISHIMOTO, F., 1962 , "MERCURY DEPOSITS OF JAPAN", BULL. GEOL SUR JAPAN VOL. 13 NO. 6

  • Deposit

    OFFICE GEOL. SUR. JAPAN, 1954 , JAPANESE MINING MAGAZINE, BI - C

  • Deposit

    MIYAMOTO, H. TAKAI, S., 1954 , "REPORT ON INVESTIGATION OF MU DEPOSITS IN WESTERN EHIME PREFECTIVE" JOUR. GEOL. SUR JAP VOL 5 #6

  • Deposit

    YOSHIMURA, T., 1952 , MANGANESE DEPOSITS OF JAPAN

  • Production

    KISHIMOTO, F., 1962 , JOUR. GEOL. SUR. JAPAN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 Roddy, Steve 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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