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Onomi Conglomerate Member (Shiida and Shibata, 1968) Ozaki et al., 2000

Invalid synonym: Onomi Gravel

• Type locality: Onomi, Fukusumi town, Tenri city, Nara prefecture
• Coherent formation
• Miocene
• Correlation: Yadawara Conglomerate Member

• Lithofacies: Conglomerate
• Lithofacies (Upper, Minor): Sandstone, Siltstone, Lignite
• Paleocurrent: from Mizuma town or Kasa to Onomi; from North or West

• Thickness: 20 - 60 m
• Upper limit: Conformity (Muro Pyroclastic Flow Deposits)
• Lower limit: Transitional (Shiraishi Sandstone and Mudstone Member), Unconformity (Hase Plutonic Complex)

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

• Distribution: Onomi - Fukuzumi, Fukusumi town, Tenri city, Nara pref.; Mima - Bessho town - Shiraishi - Mount Tsugenodake - Mount Mahirayama - Suzuhara, Nara city, Nara pref.; Shurieda - Kasa, Sakurai city, Nara pref.

• Nishiwaki and Okudaira (2007) Jour. Geol. Soc. Japan, vol.113, no.6, pp.249-265 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.)
• Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)