Depositional environment of algal balls in the Ryukyu Group, Ryukyu Islands, southwestern Japan.

K. Minoura, T. Nakamori

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Fossil algal balls are abundant in limestones of the Pleistocene Ryukua Group. Their concentration forms a characteristic lithofacies, the algal ball limestone, which is an important component of the Ryukyu Group. Textural and paleontological examination indicate that these algal balls originated in a moat or lagoon, growing while they rolled about on the floor of a sandy channel, and finally accumulated on a gentle fore-reef slope. Some of them were brought by slumping or gravity flows to be included in biogenic detrital limestone accumulated on the fore-reef slope, together with those which originated in deeper water.-Authors

本文言語English
ページ(範囲)602-609
ページ数8
ジャーナルJournal of Geology
90
5
DOI
出版ステータスPublished - 1982 1 1

ASJC Scopus subject areas

  • 地質学

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