[ Top ] [ Japanese ]

Shiraishi Sandstone and Mudstone Member

Invalid synonym: Shiraishi Formation

• Type locality: Nara prefecture
• Coherent formation
• middle Miocene
• Correlation: Onigatsuji Mudstone and Sandstone Member

• Lithofacies: Sandstone, Mudstone

• Thickness: 30 m or thinner
• Upper limit: Transitional (Onomi Conglomerate Member)

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

• Distribution: Nara pref.

• Sato et al. (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.53-69 DOI
• Nishioka et al. (2001) Geology of the Sakurai District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 141p. (in Japanese with English abstract 5p.)