Arahama Sand Dune

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Arahama Sand Dune Kashiwazaki Plain Research Group, 1966

Type locality: Sazanami Gakuen, Matsunami, Kashiwazaki city, Niigata prefecture
Coherent formation
Younger sand dune deposit
Holocene

Sedimentary facies: Coast-parallel dune ridges
Lithofacies: Sands

Thickness: ca. 60 m
Distribution (Width): ca. 2 km
Distribution (Length): ca. 10 km
Lower limit: Unconformity (Banjin Sand)

Arahama Sand Dune
[ Upper ]
--------------
Younger Sand Dune II
~~~~~~~~~~~~~~
Younger Sand Dune I
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Arahama Sand Dune, Kashiwazaki city, Niigata pref.
Fossils (Plants): Aesculus sp., Fagara sp., Juglans mandshurica var. sachalinensis, Zelkova sp.

Kobayashi et al. (1995) Geology of the Kashiwazaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 102p. (in Japanese with English abstract 4p.)