[ Top ] [ Japanese ]

Toba Group Yamagiwa and Saka, 1972

• Permian accretionary complex or a part of Aonomine Group
• Deposition (Sandstone): middle Permian (Fusulinids)
• Deposition (Siliceous rocks): late Permian (Radiolarians)

• Sedimentary facies: Marine
• Lithofacies: Mélange facies
• Exotic blocks (Crusts): Basalt, Chert, Limestone, Siliceous rocks, Sandstone

• Thickness: 30 m or thinner

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

• Distribution: Toya seashore, Uramura village, Toba city, Mie pref.
• Fossils (Fusulinids): Lepidolina kumaensis, Yabeina columbiana
• Fossils (Radiolarians): Abaillella triangularis, Follicucullus cf. scholasticus, Ishigaum sp.

• Uchino et al. (2017) Geology of the Toba District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 141p. (in Japanese with English abstract 5p.)
• Uchino and Suzuki (2016) Jour. Geol. Soc. Japan, vol.122, no.5, pp.207-222, DOI