[ Top ] [ Japanese ]

Sakamotozawa Formation

Invalid synonym: Sakamotozawa Group

• Coherent formation
• early Permian
• Correlation: Uchikawame Formation, Tassobe Formation, Nishikori Formation, Uwano Formation

• Sedimentary facies: Marine
• Lithofacies: Conglomerate, Sandstone, Slate, Limestone, Chert, Schalstein, Tuffaceous slate

• Thickness: 800 - 900 m
• Upper limit: Conformity (Kanokura Formation (partly Unconformity?), Toyoma Formation)
• Lower limit: Unconformity

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

• Distribution: Shishiori river - Hirota bay, Kesennuma city, Miyagi pref.
• Fossils (Limestone): Corals (Michelinia (Protomichelinia) multitabulata)
• Fossils (Limestone, Fusulinids): Parafusulina sp., Pseudofusulina kraffti, Schwagerina sp.

• Kambe and Shimazu (1961) Kesennuma, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 73p. (in Japanese with English abstract 16p.)