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Multiple proxies indicating methane seepage as the origin of Devonian large barite deposit in Zhenning-Ziyun, Guizhou, SW China
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文摘

Barite deposits occur within Devonian sedimentary rocks.

Bedded barite deposits formed at the seafloor by methane seepage.

First discovery of methane-derived limestone in Zhenning-Ziyun barite deposit

The nodular limestone is depleted in 13C and formed through anaerobic oxidation of methane.

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