coccolith ooze

Japanese: coccolith ooze(英語表記)coccolithooze
coccolith ooze

...However, in many cases, the majority of particles in calcareous ooze are 62 μm or less in size. Therefore, it is more appropriate to call fine-grained calcareous ooze "coccolith ooze" and coarse-grained ooze "foraminiferal ooze." Most modern calcareous oozes are foraminiferal oozes, while most of those from the Pleistocene glacial period and the Tertiary period are coccolith oozes.

*Some of the terminology that mentions "coccolith ooze" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかし,石灰質軟泥には62μm以下の粒子が大部分である場合が少なくない。したがって,細粒石灰質軟泥をコッコリス軟泥coccolith oozeと呼び,粗粒のものを有孔虫軟泥と呼ぶのが適切である。現世の石灰質軟泥は有孔虫軟泥が多く,更新世の氷期や第三紀のものはコッコリス軟泥が多いようである。…

※「coccolith ooze」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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