The mud rocks deposited in reducing environment with more saline water, it is better for retention and invert of organic material.

泥岩沉积环境为还原环境，沉积介质咸化程度较高，更有利于有机质的保存和转化。

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The mud rocks deposited in reducing environment with more saline water, it is better for retention and invert of organic material.

泥岩沉积环境为还原环境，沉积介质咸化程度较高，更有利于有机质的保存和转化。

youdao