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Microbial contribution to deposition of upper carboniferous and lower Permian seamount-top carbonates, Akiyoshi, Japan

机译:微生物对上石炭统和下二叠系海山-顶部碳酸盐的沉积,日本秋吉

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摘要

Microbial organisms significantly contributed to the accumulation of shallow-marine carbonates in an open-ocean realm of the Panthalassan Ocean during Late Carboniferous-Early Permian time. The Jigokudai plateau in the northern part of the Akiyoshidai Plateau is the study area, where the limestone of the Upper Carboniferous Kasimovian Stage to the Lower Permian Artinskian Stage is well exposed. The fusulinid biostratigraphy as well as top-bottom geopetal fabrics revealed that the rocks of the study area are overturned. The thickness of this succession is approximated to 150 m.
机译:在晚石炭纪-早二叠纪时期,微生物在Panthalassan海洋的一个开放海域中促进了浅海碳酸盐的积累。研究区位于秋吉台高原北部的地狱台高原,该地区的石炭纪上的卡西莫维阶到二叠纪下阿汀斯基阶的石灰岩暴露得很好。融合类生物地层学以及上下地幔构造都表明研究区域的岩石被倾覆了。该序列的厚度约为150 m。

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