Fukadanigawa Formation

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Fukadanigawa Formation Yamamoto et al., 2002

Type locality: Fukadanigawa river, Ikenokaichi, Shiso city, Hyogo prefecture
Volcanic rocks
Late Cretaceous
Intruded by: Hornblende biotite granodiorite

Sedimentary facies: Rhyolite pyroclastic flow deposits
Sedimentary facies (Minor): Rhyolite pyroclastic dikes
Lithofacies: Welded lapilli tuff, Tuff breccia

Thickness: ca. 300 m
Distribution (East - West): 2 km
Distribution (South - North): 2 km
Distribution (Width, Pyroclastic dikes): A few dozens m
Lower limit: Unconformity (Maizuru Belt)

(Invalid name) Ikuno Group (Yamasaki, Hyogo pref.)
[ Upper ]
~~~~~~~~~~~~~~
Mineyama Formation
~~~~~~~~~~~~~~
Nagusayama Formation
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Fukadanigawa Formation
~~~~~~~~~~~~~~
Kurooyama Formation
~~~~~~~~~~~~~~
Okawachi Formation
~~~~~~~~~~~~~~
Seppikosan Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Fukadanigawa river - Mount Higashiyama, Shiso city, Hyogo pref.

Yamamoto et al. (2002) Geology of the Yamasaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 48p. (in Japanese with English abstract 4p.)