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Sasori Tuff Breccia (Yoshida, 1975) Yoshida and Kawata, 1987

• Type locality: Shimosasori - Nishibu?, Takarazuka city, Hyogo prefecture
• Volcanic rocks
• Late Cretaceous
• Intruded by: Kaibara Quartz Gabbro, Granite porphyry dyke, Quartz porphyry dyke, Diorite porphyry dyke

• Sedimentary facies (Marginal): Debris avalanche deposit
• Sedimentary facies (Minor): Lacustrine
• Lithofacies: Biotite welded tuff breccia, Lapilli tuff
• Lithofacies (Minor): Tuffaceous conglomerate, Tuffaceous sandstone, Tree trunks

• Thickness: 700 m or thicker
• Distribution (East - West): ca. 19 km
• Distribution (South - North): ca. 14 km
• Lower limit: Abut unconformity (Moshi Welded Tuff, Sakaino Welded Tuff, Furuichi Complex)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Shimosasori - Nishibu?, Takarazuka city, Hyogo pref.; Tono - Komori -Tannan town - Shitsukawa, Tambasasayama city, Hyogo pref.; Moshi - Eitakuji, Mita city, Hyogo pref.; Kaibara - Mount Onoyama, Inagawa city, Kawabe county, Hyogo pref.; Nose city, Toyono county, Osaka pref.

• Kurimoto et al. (1993) Geology of the Sasayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 5p.)
• Imoto et al. (1991) Geology of the Sonobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 4p.)