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Sannosawa

Past Producer in Hokkaido, Japan with commodities Mercury, Arsenic, Antimony
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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 10040088
MRDS ID M053114
Record type Site
Current site name Sannosawa

Geographic coordinates

Geographic coordinates: 142.74014, 43.94836 (WGS84)
Elevation 660
Relative position 2 KM NNE OF MOTOYAMA DEPOSIT

Site location context

Political divisions (FIPS codes)

Hokkaido(province)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Japan Hokkaido
Japan Hokkaido

Commodities

Commodity Importance
Mercury Secondary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Mercury Ore
Stibnite Ore
Illite Gangue
Kaolin Gangue
Montmorillonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Argillization, Fe Sulfide Dissem.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) 142.74014, 43.94836
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Ne -Sw; Ew-Trending Shear Zones; Faults Postulated Deep Fracture System (Hidaka Gp, Neogene-Age Propyllitized Igneous Rk Outcrop To West, N, S)

Ore body information

  • Strike N 80 DEG E - N 70 DEG W
    Dip 10 - 40 DEG N
    Length 50M
    Width 10M

Controls for ore emplacement

  • Shear Zone W/Shifting Strike

Comments on the geologic information

  • GEOL.DESC: DISSEM. CINABAR W/ACCOM. NATIVE HG IN SHEAR ZONE SURROUNDED BY 3 ARGILLI ZONES STOCKWORK LIES IN OVERLYING SILICIFIED DACITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Production years 1969 - MAY 1972

Mining district

District name Aibetsu Mine

Production statistics

  • Year 1970
    Material HG
    Accuracy Accurate
    Description Ap_Grade: ^Hg = 0.69 % (Hand- Sorted)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Mercury Mercury 1wt-pct

Comments on the production information

  • THESE FIGURES ALSO INCLUDE THE OUTPUT FROM YAMAOMANOSAWA, MOTOYAMA DEPOSITS. AVERAGE GRADE AT MITSAMOSAWA DEPOSIT IS HG = 0.21 %, LOCALLY HG = 2.0 - 3.5 %

Reference information

Bibliographic references

  • Deposit

    FUJIWARA, T., K. FUTAMASE, 1974, "ALTERED CLAY & ORE DEPOSIT OF AIBETSU MINE," HOKKAIDO GEOL SUR REP NO 46 P. 87-96

  • Deposit

    FUTAMASE, K., T FUJIWARA, 1974 , "INVESTIGATION FOR GEOCHEMICAL PROSPECTING & DISTRIBUTION OF HG, SB, AS AT AIBETSU," HOKKAIDO GEOL SUR REP NO 46 P. 96 - 103

  • Deposit

    FUJIWARA, T., ET AL, 1960 , "GEOLOGY & ORE DEPOSITS OF AIBETSU AREA," HOKKAIDO GEOL SUR REP NO. 59

  • Deposit

    HORI, S., 1953 , "MERCURY DEPOSITS OF JAPAN," GEOL SUR JAP REPORT NO. 154

  • Production

    FUJIWARA, T., 1974 , HOKKAIDO GEOL SUR REPORT # 46

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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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