[ Top ] [ Japanese ]

Matsukitai Formation Kawamura, 1957

• Type locality: Matsukitai, Hirosaki city, Aomori prefecture
• Coherent formation
• Pliocene
• Contemporaneous heterotopic facies: Soma Agglomerate Formation?, Taiaki Formation?

• Lithofacies: Mudstone
• Lithofacies (Minor): Shale

• Thickness: ca. 250 m
• Lower limit: Bottom of mudstone bearing bed
• Lower limit: Conformity (Tochinaigawa Formation)

• Distribution: Matsukitai, Hirosaki city, Aomori pref.
• Fossils: Sponges (Sagarites (Makiyama) chitanii)

• Ozawa (1962) Hirosaki, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 52p. (in Japanese with English abstract 5p.)