Ayukawa Conglomerate

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Ayukawa Conglomerate Ikebe, 1934

Type locality: Tokonabe bridge, Ayukawa, Tsuchiyama town, Koka city, Shiga prefecture
Coherent formation
First Seto Inland Sea
Sedimentary basin in island arc
Miocene

Sedimentary facies: Marine
Lithofacies: Conglomerate

Thickness: ca. 40 m
Upper limit: Transitional (Higashino Member)
Lower limit: Unconformity

Kurokawa Formation
[ Upper ]
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Akebihara Member
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Higashino Member
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Ayukawa Member
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Kaminohira Member
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[ Lower ]

Ayugawa Group
[ Upper ]
~~~~~~~~~~~~~~
Marutadani Formation
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Kurokawa Formation
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Tsuchiyama Formation
~~~~~~~~~~~~~~
[ Lower ]

First Setouchi Supergroup (Tsuchiyama, Shiga pref.)
[ Upper ]
~~~~~~~~~~~~~~
Ayugawa Group
~~~~~~~~~~~~~~
[ Lower ]

[ Upper ]
~~~~~~~~~~~~~~
Second Setouchi Supergroup
?--?--?--?--?-
First Setouchi Supergroup
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Tokonabe bridge, Ayukawa, Tsuchiyama town, Koka city, Shiga pref.

Miyamura et al. (1981) Geology of the Kameyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 9p.)