沉積岩

chénjīyán

One of the three types of rock that comprise the earth's crust. It is formed by solidified deposits, with a layered structure, and usually contains fossils and ores.

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chen2 ji1 yan2

sedimentary rock (geology)

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沉積岩|沉积岩 [chén jī yán] ► sedimentary rock (geology)