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  3. Mineral Resource Data System (MRDS)

Hishikari Main

Plant in Kagoshima, Japan with commodities Gold, Silver
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10158927
MAS/MILS ID 5880180002
Record type Site
Current site name Hishikari Main

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 130.71566, 32.01551 (WGS84)
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Kagoshima(province)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Japan Kagoshima

Comments on the location information

  • LOCATED ABOUT 20 KM S OF TOWN OF HISHIKARI, KAGOSHIMA PREF., KYUSHU ISLAND. SECOND LOCATION REFERENCE: 85 KM NORTH OF KAGOSHIMA.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Adularia Unknown
Chlorite Unknown
Hematite Unknown
Pyrite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 130.71566, 32.01551
ListMap

Economic information

Ore body information

  • Depth to top 300M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 BRECCIA FILL
    Type of Orebody #3 OTHER
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OTHER
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 100
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 20
    Date of Last Modification 941017

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Mining method Filled Stopes
Year of first production 1988
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Kyushu, Japan

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Sumitomo Metal And Mining Co., Ltd.
    Interest 100
    Home office Japan
    Year 1994
    First year 1980
    Last year 1994

Production statistics

  • Year 1992
    Description Ore Production At 50.5 G/Mt Gold (Est.) 73000 Metric Tons Of Ore.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 73000mt 51g/mt
  • Year 1994
    Description Average Yearly Gold Production 225000 Oz/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6998283.22g

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Indicated 3020000mt ore
    Demonstrated 3020000mt ore
    Total resources 3020000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 50.5 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1992
    Demonstrated 1800000mt ore
    Total resources 1800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 60 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1992
    Inferred 2000000mt ore
    Total resources 2000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 25 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1992
    Inferred 1700000mt ore
    Total resources 1700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 70 g/mt Gold Major 1992

Comments on the reserve resource information

  • ORE IS TRUCKED 85 KM TO NIIHAMA CU SMELT/REF COMPLEX (USED AS SMELTER FLUX). AT 100,000 MTPY ORE, PRODUCTION AROUND 160,000 OZ AU/YR (AVG.) SHOULD BE ANALYZED FOR THE 1992 AU AVAILABILITY STUDY (CLAIMED TO HAVE 3,858,000 OZ AU IN RESERVES AS OF END 1989).
  • UG RESERVE AT START (1985)= 1,542,000 MT AT 66.1 G AU & 42.5 G AG, NEW VEIN (1988/1989)= 1,995,000 MT AT 22.39 G AU

Workings at the site

  • Type of workings Underground
    Length 56300M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method FILLED STOPES
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Length of Inclines (m) 2000
    Number of Inclines 2
    1st Condition of Workings OPEN
    2nd Condition of Workings UNKNOWN
    3rd Condition of Workings UNKNOWN
    Capacity 560
    Capacity Units MT ORE/DAY
    Unit Production Cost 140
    Units of Production $/MT ORE
    Operating Days per Year 260
    Year of Information 1993

Reference information

Bibliographic references

  • Deposit

    CIM, MINERAL EXPLORATION, THE HISHIKARI GOLD DEPOSIT: AN

  • Deposit

    AIRBORNE EM DISCOVERY, CMI BULLETIN, APRIL, 1985, PP61-66.

  • Deposit

    JAPAN, MINING ANNUAL REVIEW, 1993, PAGE 168.

  • Reserve-Resource

    SEE "RA" 001-003 IN BIBLI. FOR SOURCE.

  • Reserve-Resource

    GOLD MINERALIZATION IN VOLCANO-GEOTHERMAL AREAS OF KYUSHU,

  • Reserve-Resource

    29TH, IGC FIELD TRIP, C33, PAGES 143 TO 172, (C33:1 TO

  • Reserve-Resource

    C33:30), DATE 1992???.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-OCT-94 Slater, Linda C. U.S. Bureau of Mines

Beyond USGS

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

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