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There are two schools of thought on formation of chert. The first theory believes that chert formed from biogenic sources in oceans, namely, from silica secreting organisms such as foraminifera, radiolarians, and diatoms.

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Chert

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  • 发表日期：

    2025年

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  • Andrejs Zarins

摘要

There are two schools of thought on formation of chert. The first theory believes that chert formed from biogenic sources in oceans, namely, from silica secreting organisms such as foraminifera, radiolarians, and diatoms.