Hanaoka Pb - Zn Mines

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

Geologic information

Identification information

Deposit ID 10073092
MRDS ID W018906
Record type Site
Current site name Hanaoka Pb - Zn Mines
Alternate or previous names Matsumine

Geographic coordinates

Geographic coordinates: 140.56528, 40.29847 (WGS84)
Relative position ON NORTHERN OUTSKIRTS OF OHDATE CITY.
(click for info)

Geographic areas

Country State
Japan Akita

Commodities

Commodity Importance
Zinc Primary
Copper Primary
Lead Primary
Sulfur-Pyrite Secondary
Silver Secondary
Gold Secondary

Materials information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Hanaoka Formation Tuff, Lapilli Tuff, Tuff Breccia;Other Green Tuff Horizons
    Rock description Hanaoka Formation Tuff, Lapilli Tuff, Tuff Breccia;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, 40.29847

Geologic structures

Type Description Terms
Regional Hokuroko Basin, Hanaoka Kuroko Belt
Local Tsutsumizawa Fault

Ore body information

  • General form IRREGULAR OR LENTICULAR CONCORDANT

Controls for ore emplacement

  • Associated With Rhyolite Domes

Comments on the geologic information

  • HANAAOKA FM PART OF NISHIKUROSAWA STAGE.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1868
Discovery method Ore-Mineral In Place
Year of first production 1868

Mining district

District name Hanaoka Kuroko Belt, Hokuroku Basin

Ownership information

  • Type Owner-Operator
    Owner Dowa Mining Co. Ltd.

Production statistics

  • Year 1970
    Period 1868-1970
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^2.2 % Cu, 3.5 % Zn, 0.7 % Pb, 20 % Pyr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 2wt-pct
    Major Ore Lead Lead 1wt-pct
    Ore Pyrite Pyrite 20wt-pct
    Major Ore Zinc Zinc 4wt-pct
  • Year 1973
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.12 % Cu, 2.89 % Zn, .87 % Pb, 17.7 % Pyrite
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 2wt-pct
    Major Ore Lead Lead 1wt-pct
    Ore Pyrite Pyrite 18wt-pct
    Major Ore Zinc Zinc 3wt-pct

Comments on the production information

  • ITEM 1 - MATSUMINE (50,000 MTPM X 12)

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Total resources 18,000,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 2.38 wt-pct Zinc Major 1971
    Copper Cu 2.71 wt-pct Copper Major 1971
    Lead Pb 0.75 wt-pct Lead Major 1971
  • Type In-situ
    Estimate year 1971
    Total resources 18,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 2.38 wt-pct Zinc Major 1971
    Copper Cu 2.71 wt-pct Copper Major 1971
    Lead Pb 0.75 wt-pct Lead Major 1971

Comments on the reserve resource information

  • EST. BASED ON 35 MIL. T. TOTAL SIZE (LAMBERT & SATO 1974) MINUS 17 MIL. T. PROD. 1868 - 1970 (TAKAHASH & SUGA 1974)
  • EST. BASED ON 35 MIL. T. TOTAL SIZE (LAMBERT & SATO 1974) MINUS 17 MIL. T. PROD. 1868 - 1970 (TAKAHASHI & SUGA 1974)

Comments on development

  • MATSUMINE DISC. IN 1963. DOYASHIKI - 1916. MOTOYAMA 1861. ; MILL.CAP: 600 MET TONS ; ECON.YEAR: 1974 ; ECON.COM: 50,000 MTPM, 1600 MTPD MILL CAP.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W018906

Bibliographic references

  • 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

    TOSHIYA, I., TAKAHASHI, T., YOSHIZO, Y., 1974, SUBMARINE VOLCANIC - SEDIMENTARY FEATURES IN THE MATSUMINE KUROKO DEPOSITS, HANAOKA MINE JAPAN; JAP. SOC MINING GEOLOGISTS SPECIAL ISSUE NO. 6 P. 115 - 130

  • Deposit

    OGURA, YOSHI, 1972, GEOLOGY AND KUROKO ORE DEPOSIT OF THE HANAOKA - MATSUMINE MINE, NORTHERN JAPAN; INT. GEOL. CONG., 24TH , PROC. SECT 4, P. 318 - 325

  • Deposit

    TAKAHASHI, T., SUGA, K., 1974, GEOLOGY AND ORE DEPOSITS OF THE HANAOKA KUROKO BELT, AKITA PREFECTURE; JAP. SOC. MINING GEOLOGISTS SPECIAL ISSUE NO. 6 P. 101 - 113.

  • Production

    SKINNERS MINING INTL. YBK. 1975, P. 213. TAKAMASHI, T., SUGA, K., 1974, JAP. SOC. MINING GEOL. SPEC. 155. 6 P. 101

  • Reserve-Resource

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

General comments

Subject category Comment text
Deposit MATSUMINE 800 X 800 X 30 M. OCHIAIZAWA 150 X 100 X 30 M. KAMIYAMA 260 X 60 X 40 M. DOYASHIKI 600 X 350 X 20 M. TSUTSUMIZAWA 350 X 120 X 120 M

Reporter information

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