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Gamata Crystalline Schist Seki, 1959

It had been define as a member of Hida Gaien Belt but was separated by re-definition of Hida Gaien Belt.

• Type locality: Gamatagawa river, Gamata, Okuhidaonsengo, Takayama city, Gifu prefecture
• High P/T metamorphic rocks
• Correlation: Yarigatake Metamorphic Rocks
• Intruded by: Granite porphyry

• Metamorphic facies: Greenschist
• Metamorphic facies (Minor): Epidote-Amphibolite
• Lithofacies: Mafic schist
• Lithofacies (Minor): Psammitic schist, Pelitic schist

• Thickness: 500 m or thicker

• Distribution: Gamata - Fukuji - Hanedaira - Kurodani valley - Sodegadani - Konebedani - Hotakadaira - Migimatadani valley - Fukatani valley, Okuhidaonsen, Takayama city, Gifu pref.

• Tazawa et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.127-133 DOI
• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)