琉球列島における第四紀堆積盆地の発達史

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概要

• 論文の詳細を見る

• Quaternary strata are distributed covering unconformably on the pre-Quaternary system in the Ryukyu Islands. These strata are deposited in these dimentary basins formed by their uplift erosion of the basement rocks and by the fault movements of NW-SE trend which cut the upper Miocene to lower Pleistocene Shimajiri Group and also pre-Tertiary basement rocks. The tectonic trend shows NW-SE direction, and these sedimentary basins are blocked and segmented by the crustal movemment of the same directions. Thus, there are two main stages for the movements forming these sedimentary basins, and these movements are generally called as the Uruma crustal movement. The strata distributing in these sedimentary basins are called the Ryukyu Group, and they are made up of noncalcareous Kunigami Gravel Bed and calcareous Ryukyu Lime stone. They contact with interfingured relationship each other.

• 日本地質学会の論文
• 1983-03-30

著者

• 古川 博恭

  琉球大学教養部

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• 四国地方の第四紀層
• 九州・琉球地方の下部および中部更新統の層序
• 町田・新井論文に対する論評 (日本考古学と第四紀研究) -- (広域テフラと考古学)
• 琉球列島における文化遺跡包含層の層序と編年 (琉球列島の後期更新世完新世の諸問題)
• 琉球列島における第四紀堆積盆地の発達史

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