Asahine
Asahine, Higashi-chichibu city, Chichibu county, Saitama pref., Japan
Occurrence
Pumpellyite-Actinolite facies high-P metamorphic rocks
Minerals included in the gabbro blocks of Mikabu Unit, Sanbagawa Belt. The gabbro was subjected to Pumpellyite-Actinolite facies metamorphism
Outcrop of meta-gabbro of Mikabu Unit. The host is composed of white plagioclase and dark green amphibole. This gabbro has been subjected to Pumpellyite-Actinolite faices metamorphism. The dark green vein under the coin is the vein of pumpellyite-(Al). Veins of white albite were also observed.
Reported Minerals
- Pumpellyite-(Al)
- Albite
- Diopside
- Glaucophane
- Actinolite
- Calcite
- Serpentine
Mineral Assemblages
- Pympellyite-(Al)
- Albite
Localities
- Kosugi (Lawsonite)
- Asahine (Pumpellyite)
- Kaiya (Omphacite)
- Mount Nyukasa (Omphacite)
Related Occurrences
- Albite-Epidote-hornfels facies
- Hornblende-hornfels facies
- Pyroxene-hornfels facies
- Sanidinite-hornfels facies