Aburayama Sand Member

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Aburayama Sand Member

Coherent formation
Pliocene - early Pleistocene

Sedimentary facies: Marine
Sedimentary facies: Forearc basin (Sagara-Kakegawa Basin) deposit
Lithofacies: Sands

Thickness: ca. 10 - 30 m
Upper limit: Unconformity (Soga Formation)

Upper Kakegawa Formation
[ Upper ]
~~~~~~~~~~~~~~
Aburayama Sand Member
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Hijikata Mud Member
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Nango Sand Mud Alternation Member
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Hosoya Tuffaceous Silt Member
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[ Lower ]

Kakegawa Group (Kakegawa, Shizuoka pref.)
[ Upper ]
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Soga Formation
~~~~~~~~~~~~~~
Upper Kakegawa Formation
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Lower Kakegawa Formation
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[ Lower ]

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

Distribution: Ugari, Fukuroi city, Shizuoka pref.; Iida, Mori city, Shuchi county, Shizuoka pref.
Fossils: Shellfishes, Foraminifera (Baggina totomiensis)

Makiyama and Sakamoto (1957) Mitsuke & Kakezuka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 43p. (in Japanese with English abstract 7p.)