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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Akamatsu Mine

Past Producer in 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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10040029
MRDS ID M053037
Record type Site
Current site name Akamatsu Mine
Alternate or previous names Tokoshima Reg. #2431 & 2484

Geographic coordinates

Geographic coordinates: 134.30885, 33.91873 (WGS84)
Elevation 580
Relative position 7 KM WEST OF TERANO

Site location context

Political divisions (FIPS codes)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Japan
Japan

Comments on the location information

  • LATITUDE-LONGITUDE VALUES ARE FOR THE CENTERPOINT OF TOKUSHIMA PROVINCE

Commodities

Commodity Importance
Manganese Critical Secondary
Mercury Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Hematite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification Of Chert Around The Deposit

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) 134.30885, 33.91873
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Existence Of Fault On Sandstone Chert Contact Has Been Postulated

Ore body information

  • Strike APPROX. EW
    Dip APPROX. 65 DEG. N
    Thickness 2M

Controls for ore emplacement

  • Contact Of Sandstone - Chert Beds Serves As Locus For Manganese Deposit, Which Forms A Layer Up To 2 M Thick

Comments on the geologic information

  • GEOL.DESC: THE CINNABAR HAS DISSEMINATED INTO FISSURES WITHIN THIS LAYER

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Akamatsu

Production statistics

  • Year 1950
    Material MN
    Accuracy Accurate
    Description Ap_Grade: ^Mnoz = 70 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Manganese Manganese 70wt-pct
  • Year 1950
    Material MN
    Accuracy Accurate
    Description Ap_Grade: ^Mn = 30 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Manganese Manganese 30wt-pct

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    INAI, S., 1953 , "REPORT ON THE INVESTIGATION OF AKAMATSU & DEHARA MANGANESE MINES, TOKUSHIMA PROVINCE," JOUR. GEOL SUR JAPAN

  • Production

    KISHIMOTO, F., 1962 , JOUR GEOL SUR JAP

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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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