Makinohara Gravel Bed

[ Top ] [ Japanese ]

Makinohara Gravel Bed (Watanabe, 1928) Sugiyama et al., 1928

Type locality: Makinohara, Makinohara city, Shizuoka prefecture
Coherent formation
Alluvial fan delta or Delta of paleo-Oigawa river
late Pleistocene (Last interglacial period)
Correlation: Kusanagi Mud Bed, Ochii Gravel Bed?, upper Mikatagahara Gravel

Sedimentary facies: Fluvial
Sedimentary facies: Alluvial fan
Lithofacies: Gravels
Lithofacies (Minor): Sands, Silt
Sedimentary structures: Imbricate structure
Paleocurrent: to North - Northwest

Thickness: ca. 5 - 12 m or thicker
Lower limit: Unconformity, partly Conformity (Kyomatsubara Sand Bed), Unconformity (Furuya Mud Bed, Sagara Group)

Makinohara Terrace Deposits
[ Upper ]
--------------
Ochii Gravel Bed
--------------
Makinohara Gravel Bed
~~~~~~~-------
Kyomatsubara Sand Bed
--------------
Furuya Mud Bed
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Makinohara, Makinohara city, Shizuoka pref.; Lake Sakuragaike, Sakura - Kamihiki, Omaezaki city, Shizuoka pref.; Oshiro, Shimada city, Shizuoka pref.

Sugiyama et al. (1988) Geology of the Omaezaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 153p. (in Japanese with English abstract 6p.)