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Andesite-basalt Lava and Pyroclastic Rocks Member
- Volcanic rocks
- Early Cretaceous
- Sedimentary facies: Terrestrial
- Lithofacies: Pyroxene andesite pyroclastic rocks, Lava, Dykes, Basalt lava, Pyroclastic rocks, Dykes
- Sedimentary structures: Graded bedding
- Thickness: 1,500 m or thicker
- Andesite-basalt Lava and Pyroclastic Rocks Member
- [ Upper ]
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- Nagizawa Andesite Dykes
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Takarasakai? - Mount Kimigahana, Daito town, Ichinoseki city, Iwate pref.; Nagi creek - Mount Shindate, Murone town, Ichinoseki city, Iwate pref.; Nakatani pass - Sadomaki pass, Ichinoseki city, Iwate pref.
- Takeuchi and Mikoshiba (2002) Geology of the Senmaya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 3p.)