Nishiyagi 1 Member

[ Top ] [ Japanese ]

Nishiyagi 1 Member

Coherent formation
Pleistocene (MIS 5e)
Correlation: Middle Terrace Deposits (Akashigawa), Middle Terrace Deposits (Kobe), Middle Terrace Deposits (Kakogawa), T₄ Terrace Deposits

Sedimentary facies: Fluvial
Sedimentary facies (Minor): Marine
Lithofacies (Top): Gravels
Lithofacies (Upper): Sands
Lithofacies (Middle): Clay, Silt
Lithofacies (Lower): Sands
Lithofacies (Bottom): Gravels

Thickness: several - 15 m

Nishiyagi Formation
[ Upper ]
~~~~~~~~~~~~~~
Nishiyagi 3 Member
--------------
Nishiyagi 2 Member
--------------
Nishiyagi 1 Member
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Nishiyagi - Minogawa river - Kusatanigawa river - Gongengawa river - Hokkesantanigawa river - Tenkawa river, Akashi city, Hyogo pref.
Fossils: Palaeoloxodon naumanni, Shellfishes Cyclina orientalis, Plants (Wood fragments), Trace fossils
Fossils (Pollen): Alnus sp., Lagerstroemia sp., Quercus (Lepidobalanus) sp.,

Ozaki and Harayama (2003) Geology of the Takasago District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 87p. (in Japanese with English abstract 3p.)