Paleogeography of the Kushiro Plain, Hokkaido in the Alluvial Age

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概要

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• Kushiro moor is a wide, flat and swampy plain surrounded by the two marine terlaces on the east, north and west, and a long and narrow belt of sand dunes on the South coast. Its paleogeographic changes seem to have occurred in the Alluvial age, as is shown the following table. The change could be deduced from the correlation between the Alluvial shell-fossils and the prehistoric shell- mounds and remains, and from the topographic features.The gentle tilting which had occurred during the regression formed the present topographic features that the plain has a general slope to southeast, the lakes lie only on the eastern margin. the coast is advancing foward to the west, etc.. The formation of swampy plain was due to its low-level and the sand dunes.

• 日本第四紀学会の論文

日本第四紀学会 | 論文

• 佐渡島国中平野南西部における沖積層のボーリング調査による古環境と地殻変動
• 完新世海成堆積物からみた相模湾沿岸地域の地形変動
• 「相模湾周辺の地震・火山とテクトニクス」の趣旨
• 三浦半島平作川低地の完新世の古地理変遷
• 宮崎平野の完新世地形発達史

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