Sonoha Conglomerate Member

[ Top ] [ Japanese ]

Sonoha Conglomerate Member (Kokawa, 1954) Ozaki et al., 2000

Invalid synonym: Sonoha Gravel Member, Ishikiritoge Gravel, Kannonji Gravel

Same sediments as Ofuku Member

Type locality: Sonoha - Nakanokawa town, Nara city, Nara prefecture
Coherent formation
Pliocene
Correlation: Ofuku Member

Lithofacies: Gravels
Lithofacies (Minor): Sands, Silt

Thickness: ca. 10 - 70 m or thicker
Upper limit: Unconformity (Kiridoshi Member)
Lower limit: Unconformity (Jigokudani Formation)

Kobiwako Group (Nara, Nara pref.)
[ Upper ]
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Sonoha Conglomerate Member
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[ Lower ]

Second Setouchi Supergroup (Shiga pref.)
[ Upper ]
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Kobiwako Group
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[ Lower ]

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

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

Distribution: Sonoha - Nakanokawa town - Ishikiritoge pass, Nara city, Nara pref.; Kannonji - Kaseyama - Jindoji, Kizukawa city, Kyoto pref.

Sato et al. (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.53-69 DOI
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.)