Maruno Mine

Past Producer in Ehime, Japan with commodities Manganese, Mercury
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 10040038
MRDS ID M053050
Record type Site
Current site name Maruno Mine
Alternate or previous names Ehime Registration #220

Geographic coordinates

Geographic coordinates: 132.68223, 33.34875 (WGS84)
Relative position APPROX 1 KM SOUTH OF KIORASHI

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 Primary
Mercury Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) 132.68223, 33.34875

Economic information

Geologic structures

Type of structure Local
Structure description Fault Whose Strike Is N 10 Deg. E

Ore body information

  • Strike EW
    Dip 40 - 70 DEG. S
    Thickness 6M
    Length 100M

Controls for ore emplacement

  • A Fault ( N 10 Deg E ) Cuts The Mn Deposit Into 2 Halves. Cinnabar Fills This Fault, And Small Fractures In The Ore. The Veins Are Carbonate, And Reach 5 Meters In Thickness.

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 Estimate
    Description Cp_Grade: ^Mno2 Less Than 70 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor MnO2 Manganese Manganese 70wt-pct
  • Year 1962
    Period 1962
    Material MN
    Accuracy Estimate
    Description Cp_Grade: ^Mn = 30 - 40 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Manganese Manganese 35wt-pct

Reference information

Bibliographic references

  • Deposit

    KISHIMOTO, F., 1962 , "MERCURY DEPOSITS OF SHIKOKU, JAPAN", JOURN. GEOL. SUR. JAPAN, VOL. 13 NO. 3

  • Deposit

    OFFICE OF THE GEOLOGICAL SURVEY OF JAPAN, 1954; JAPANESE MINING MAGAZINE, BI - C

  • Deposit

    MIYAMOTO, H., 1954 , "REPORT ON THE INVESTIGATION OF MN DEPOSITS IN WESTERN EHIME PREFECTIVE", JOUR. GEOL SUR. JAPAN, VOL. 6 # 5

  • Deposit

    YOSHIMURA, T., 1952 , MANGANESE DEPOSITS OF JAPAN

  • Production

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

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.