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Matsuki Zn-Pb-Cu Mines

Producer in Akita, Japan with commodities Zinc, Lead, Copper, Silver, Sulfur-Pyrite
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Geologic information

Identification information

Deposit ID 10073095
MRDS ID W018910
Record type Site
Current site name Matsuki Zn-Pb-Cu Mines
Alternate or previous names Matsuki and Takadate

Geographic coordinates

Geographic coordinates: 140.56528, 40.2818 (WGS84)
Relative position ONE KM NW. OF OHDATE CITY
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Geographic areas

Country State
Japan Akita

Commodities

Commodity Importance
Zinc Primary
Lead Primary
Copper Primary
Silver Tertiary
Sulfur-Pyrite Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Gypsum Gangue
Quartz Gangue
Barite Unknown

Alteration

  • (Local) Ore Is In A Chlorite - Sericite Zone

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Okuzu Formation Pumiceous Tuff, Mudstone, Rhyolite;Other Green Tuff Horizons
    Rock description Okuzu Formation Pumiceous Tuff, Mudstone, Rhyolite;Other Green Tuff Horizons
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) 140.56528, 40.2818
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Geologic structures

Type Description Terms
Regional Hokuroku Basin
Local Matsuki Fault And Others

Ore body information

  • General form IRREGULAR TO CONCORDANT BEDS

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1963
Discoverer Mitsubishi Metal Mining Co.
Discovery method Ore-Mineral In Place
Year of first production 1973

Mining district

District name Hokuroku Basin

Ownership information

  • Type Owner-Operator
    Owner Mitsubishi Metal Mining Co.

Production statistics

  • Year 1974
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^3. % Zn, 1. % Cu, 2. % Pb, 23. % Pyrite
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 1wt-pct
    Major Ore Lead Lead 2wt-pct
    Ore Pyrite Pyrite 23wt-pct
    Major Ore Zinc Zinc 3wt-pct

Comments on the production information

  • ITEM ONE - ESTIMATED FROM 10,000 MTPM OUTPUT. ORE GRADE IS FOR TAKADATE ORE ONLY

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Total resources 9,800,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 3 wt-pct Zinc Major 1974
    Lead Pb 2 wt-pct Lead Major 1974
    Copper Cu 1 wt-pct Copper Major 1974
    Sulfur-Pyrite S_P 23 wt-pct Sulfur Major 1974
  • Type In-situ
    Estimate year 1974
    Total resources 98,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 3 wt-pct Zinc Major 1974
    Lead Pb 2 wt-pct Lead Major 1974
    Copper Cu 1 wt-pct Copper Major 1974
    Sulfur-Pyrite S_P 23 wt-pct Sulfur Major 1974

Comments on the reserve resource information

  • ITEM ONE - ESTIMATE BASED ON 10 MIL. T. TOTAL MINUS 1973 PROD. OF ABOUT 80000 T (7,000 MTPM) ANOTHER SOURCE (SATO, N., KUSAKA H., 1974, P. 145) GIVES RESV. AS 3 MIL. T. 3% CU, 3% ZN, 1% PB
  • ITEM ONE - ESTIMATE BASED ON 10 MIL. T. TOTAL MINUS 1973 PROD. OF ABOUT 80,000 T (7,000 MTPM). ANOTHER SOURCE (SATO, N., KUSAKA, H., 1974) GIVES RESV. AS 3 MIL T 3% CU, 3% ZN, 1% PB

Comments on development

  • MILL.CAP: 120 MET TONS ; ECON.YEAR: 1974 ; ECON.COM: 10,000 MTPM, 400 MTPD MILL

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W018910

Bibliographic references

  • Deposit

    SATO, N., KUSAKA, H., 1974, GEOLOGY OF THE MATSUKI MINE, OHDATE CITY, AKITA PREFECTURE; JAP. SOC. MINING GEOL. SPEC. ISS. NO. 6 P 141 - 146

  • Deposit

    LAMBERT, I. B., SATO, T., 1974, THE KUROKO AND ASSOCIATED ORE DEPOSITS OF JAPAN: A REVIEW OF THEIR FEATURES AND METALLOGENESIS; ECON. GEOL. V 69 P. 1215 - 1236

  • Deposit

    1963 DIREXPL MITSUBISHI - DRILLING SINCE 1960 - ORE FOUN

  • Production

    LAMBERT, I. B., SATO T., 1974, ECON. GEOL. V. 69 P. 1216

  • Reserve-Resource

    LAMBERT, I. B., SATO, T., 1974, ECON. GEOL. V 69 P 1216

General comments

Subject category Comment text
Deposit MATSUKI - 400 X 100 X 10 M. TAKADATE - 540 X 120 X 10 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1977 Schruben, Paul G. U.S. Geological Survey