Goroku Formation

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Goroku Formation Yoshikawa, 2002

Type locality: Goroku, Noto city, Hosu county, Ishikawa prefecture
Volcanic rocks
Oligocene (25 Ma; 24.5 Ma, FT; 25.2 Ma, K-Ar)
Intruded by: Dolerite, Basalt, Andesite

Sedimentary facies: Terrestrial
Sedimentary facies: Pyroclastic flow deposit
Sedimentary facies (Basal): Ground surge deposit
Lithofacies: Clinopyroxene dacite lapilli tuff, Tuff
Lithofacies (Minor): Pyroxene dacite lava, Sandstone, Conglomerate, Siltstone
Lithofacies (Basal): Tuff

Thickness: 200 m
Upper limit: Conformity (Kamiwazumi Formation), Unconformity (Horyuzan Formation
Lower limit: Unconformity (Konosuyama Formation)

northeast Noto peninsula
[ Upper ]
~~~~~~~~~~~~~~
Iizuka Formation
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Iida Formation
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Awagura Formation
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Hojuji Formation
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Higashiinnai Formation
~~~~~~~~~~~~~~
Horyuzan Formation
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Kamiwazumi Formation / Matsunagi Formation
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Goroku Formation
~~~~~~~~~~~~~~
Konosuyama Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Goroku - Kitakawachi, Noto city, Hosu county, Ishikawa pref.; Noda town, Wajima city, Ishikawa pref.
Fossils: Silicified woods, Plants

Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
Yoshikawa et al. (2002) Geology of the Suzumisaki, Noto-iida and Horyuzan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 4p.)