Kawazura Mine
Hikoma village, Sano city, Tochigi pref., Japan
Synonym
Higashiyama Mine
Occurrence
Albite-Epidote-hornfels facies bedded Manganese deposit
Chert-hosted bedded manganese deposit in Permian - Jurassic chert block of Kurohone-Kiryu Complex of Ashio Belt, a member of Jurassic accretionary complex. The chert block has been subjected to weak Albite-Epidote-hornfels facies contact metamorphism by Cretaceous granodiorite of Ashikaga Body.
Reported Minerals
- Graphite
- Hausmannite
- Manganosite
- Jacobsite
- Pyrochroite
- Sonolite
- Alleghanyite
- Cryptomelane
- Pyrolusite
- Feitknechtite
- Pyrite
- Siderite
- Barite
- Gypsum
- Rhodonite
- Tephroite
- Braunite
- Spessartine
- Caryopilite(Bementite)
Mineral Assemblages
- Hausmannite - Manganosite - Tephroite - Jacobsite - Pyrochroite - Sonolite - Alleghanyite - Rhodochrosite
- Quartz - Rhodonite - Braunite
- Quartz - Rhodonite - Spessartine - Caryopilite
- Quartz - Graphite
History
- Manganese oxide ore was mined.
- 1958: Began to mine maganese ore.
Localities
- Mogurazawa Mine (V-bearing minerals)
- Kyurazawa Mine (Pyrosmalite-(Mn))
- Kurokawa Mine (Ni-bearing minerals)
- Kawazura Mine (Low AE facies)
- Daikei Mine (AE facies)
- Ittanda Mine (Neotocite)
Related Occurrences
- Bedded Mn (Diagenesis)
- Bedded Mn (Low-T zeolite facies)
- Bedded Mn (High-T zeolite facies)
- Bedded Mn (Prehnite-Pumpellyite facies)
- Bedded Mn (Pumpellyite-Actinolite facies)
- Bedded Mn (Greenschist facies)
- Bedded Mn (Epidote-Amphibolite facies)
- Bedded Mn (Amphibolite facies)
- Bedded Mn (Albite-Epidote-hornfels facies)
- Bedded Mn (Hornblende-hornfels facies)
- Bedded Mn (Pyroxene-hornfels facies)