还有一些石化的花粉，来自于曾经生长在撒哈拉的小灌木丛和草丛。

Then there is fossilized pollen, from low shrubs and grasses that once grew in the Sahara.

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促进软体动物石化的条件包括沉积物的迅速覆盖，以创造一个防止其分解的环境。

Conditions that promote fossilization of soft-bodied animals include very rapid covering by sediments that create an environment that discourages decomposition.

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寒武纪大爆发后不久，泥石流迅速将数千只海洋动物掩埋在有利于石化的条件下。

Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.

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