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Sangun Metamorphic Belt, Sangun Metamorphic Rocks

A general term including more than 2 different metamorphic belts.

• High P/T metamorphic rocks
• Metamorphism: early Carboniferous - Late Jurassic
• Intruded by: Porphyrite dikes, Andesite dikes, Biotite granite, Hornblende biotite granite

• Lithofacies: Mafic rocks, Pelitic rocks
• Lithofacies (Minor): Serpentine
• Lithofacies (Protolith): Slate, Phyllite, Chert
• Lithofacies (Protolith, Minor): Sandstone, Basalt lava

• Upper limit: Unconformity (Tsukudani Formation, Koge Formation)
• Lower limit: Thrust fault (Akiyoshi Belt)

• Distribution: Hokuriku region - Kinki region - Sanin region - Kyushu region - Okinawa islands
• Distribution: Wakasa city, Yazu county, Tottori pref.; Saji - Shimobira - Daiankoji temple - Wanami, Tottori city, Tottori pref.; Sasaguri city, Kasuya county, Fukuoka pref.

• Fukami and Owada (2017) Jour. Geol. Soc. Japan, vol.123, no.12, pp.1055-1060 DOI
• Kitano and Ikeda (2012) Jour. Geol. Soc. Japan, vol.118, no.12, pp.801-809 DOI
• Machi and Ishiwatari (2010) Jour. Geol. Soc. Japan, vol.116, no.6, pp.293-308 DOI
• Murayama et al. (1963) Tottorihokubu & Tottorinambu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 66p. (in Japanese with English abstract 8p.)