Key points: texture, structure and classification of sedimentary rocks.

重点：沉积岩的结构、构造和分类。

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Texture of sedimentary rock: clastic texture and nonclastic texture.

沉积岩的结构：碎屑结构和非碎屑结构。

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Melaleuca stone is a sedimentary rock, its texture into layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.

是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。

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