Tanba

Past Producer in Japan with commodities Mercury, Sulfur-Pyrite
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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10040004
MRDS ID M053003
Record type Site
Current site name Tanba
Alternate or previous names Yuki Mine

Geographic coordinates

Geographic coordinates: 134.53635, 33.89456 (WGS84)

Site location context

Political divisions (FIPS codes)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Japan

Commodities

Commodity Importance
Mercury Primary
Sulfur-Pyrite Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Pyrite Ore
Muscovite Gangue
Siderite Gangue

Alteration

  • (Local) In Viscinity Of Veins, Limestone Has Been Silicified, & Been Altered To Siderite & Ferrous Muscovite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) 134.53635, 33.89456

Economic information

Geologic structures

Type of structure Local
Structure description Small-Scale Faults Trending N-S, & E-W; Chichibu Zone

Ore body information

  • Strike N 45 DEG E & N 20 - 30 DEG W
    Dip 30 DEG W 30 DEG E
    Length 65M
    Width 0.7M

Controls for ore emplacement

  • Overlying Slate Acts As Shield On Veins; Veins Are Located In Faults Within The Limestone

Comments on the geologic information

  • GEOL.DESC: (ON NEXT PAGE UNDER GENERAL COMMENTS)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Mizui Mine, Samutani

Production statistics

  • Year 1962
    Period 1962
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^Hg 0.3 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Mercury Mercury 0wt-pct

Comments on the production information

  • MOST PRODUCTIVE PERIOD WAS FROM LAKE MEIJI ( APPROX. 1900 ) UNTIL 1920 , WHEN THE MINE CLOSED. IT REOPENED IN 1940 .

Comments on the reserve resource information

  • PRACTICALLY ALL OF THE ORE OF GRADE 0.3 % HG HAS BEEN DEPLETED

Reference information

Bibliographic references

  • Deposit

    KISHIMOTO, F., 1962 , "ON THE MERCURY DEPOSITS OF SHIKOKU, JAPAN", BULL GEOLOGICAL SURVEY OF JAPAN VOL 13 NO 3

  • Deposit

    NAKAGAWA, C., 1958 , "KAMODANI MERCURY MINE INVESTIGATION REPORT" TOKUSHIMA-KEN REPORT BY THE COMMITTEE FOR PROMOTION OF PRODUCTION OF TECHNOLOGY

  • Deposit

    YAJIMA, S., 1958 , "JAPAN'S MERCURY DEPOSITS", PROFESSOR JUN SUZUKI MEMORIAL VOLUME

  • Deposit

    MIZUHARA, G., 1956 , "INVESTIGATIVE REPORT OF THE YUKI MERCURY MINE, TOKUSHIMA-KEN", PROPERTY OF K YUKI

  • Production

    KISHIMOTO, F., 1962 , "HG DEPOSITS OF SHIKOLCU"

General comments

Subject category Comment text
Deposit WITHIN THE VEINS, CINNABAR ACCUMULATES CHIEFLY ON THEIR PERIMETER. THIS IS PARTICULARLY TRUE IN THE CASE OF CARBONATE VEINS, WHERE THE CINNABAR FORMS IN THIN LAYERS ( 1 - 5 MM WIDE ) AT THE BASE OF THE ORE BODY.

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.