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foliation是什么意思,foliation翻译
Foliation, in the context of geology, refers to the layering or bedding present in rocks. It is a common feature observed in many sedimentary, metamorphic, and even some igneous rocks. The process of foliation occurs due to the directed pressure applied to layers of rock, causing them to become aligned in a particular direction. This phenomenon is a result of tectonic activity and is an important characteristic used to identify and classify different types of rocks.
The process of foliation begins with the deposition of sediments, which are accumulated layer by layer. Over time, these layers become compacted and cemented together, forming sedimentary rocks. As the pressure continues to build up, the layers of rock begin to deform and align in the direction of the applied stress. This results in the formation of foliated structures, such as planar or angled layers, that can be observed in the rock's surface.
Foliation is not limited to sedimentary rocks alone; it is also a prominent feature in metamorphic rocks. Metamorphic rocks are formed when pre