除沉积岩斜坡含粘土矿物外，76%以上的斜坡岩石造岩矿物还可形成次生粘土矿物。

Many sedimentary rocks contain clay minerals and 76% of forming-rock minerals of slope rocks can produce clay minerals during the weathering processes.

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次生粘土矿物的形成将引起源矿物、矿物集合体及岩块的强度与变形特性的显著变化，诱发岩石向松散介质转化。

Secondary clay minerals in rock may bring about marked changes in strength and deformability of parent minerals, mineral aggregation and rock and promote rock to evolve toward loose medium.

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这样，大量低成熟石油能够生成，并随着粘土释放出的层间水运移到砂岩的第一次生孔隙密集在中。

So that a large amount of low-mature oil was generated and subsequently migrated into sandstone belt with first secondary porosity created by the formation water released from clays.

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