微化石様構造を含む太古代（34億年）炭素質チャート堆積環境と希土類元素組成

杉谷 健一郎; 三村 耕一; 山本 鋼志

doi:10.14862/geochemproc.53.0.230.0

53th Annual Meeting of the Geochemical Society of Japan

Session ID : 3B07

DOI https://doi.org/10.14862/geochemproc.53.0.230.0

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Depositional environment and REE characteristics of Archean (3.4Ga) carbonaceous cherts

KENICHIRO SUGITANI, Koichi Mimura, Koshi Yamamoto

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Keywords: Archean, microfossil, Pilbara Craton, hydrothermal, shallow environment

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

Origin and depositional environment of black carbonaceous cherts in the c. 3.4Ga Strelley Pool Chert that contain diverse and large microfossils are discussed, based on occurrence, sedimentary geology, and characteristics of rare earth elements.

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