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  3. Mineral Resource Data System (MRDS)

Hirai Mine

Past Producer in Nara, Japan with commodity Mercury
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10040046
MRDS ID M053061
Record type Site
Current site name Hirai Mine

Geographic coordinates

Geographic coordinates: 135.93214, 34.63203 (WGS84)
Relative position APPROXIMATELY 5 KM SSE OF HAIBARA RR STATION

Site location context

Political divisions (FIPS codes)

Nara(province)

Japan(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Japan Nara
Japan Nara
Japan Nara

Commodities

Commodity Importance
Mercury Secondary

Materials information

Materials Type of material
Cinnabar Ore
Kaolinite Gangue

Alteration

  • (Local) Kaolinitization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) 135.93214, 34.63203
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Extensive Faulting, Fracturing, Median Tectoicline

Controls for ore emplacement

  • Fractures, Fault Crush Zone

Comments on the geologic information

  • GEOL.DESC: ZONE OF ARGILLIZATION APPROXIMATELY 10 M WIDE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Yamato District

Reference information

Bibliographic references

  • Deposit

    VENO, M., KATO, K., 1971 , "ON THE DISTRIBUTION & DISPERSION OF HG IN YOMOTO HG DEPOSITS AREA, UDA-GUN, NARA-LAR "GEOL SUR JAP BULL VOL 22 NO 6 P. 208 - 304

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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