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(页(yè )岩(yán )，页(yè )岩(yán ))

具(jù )薄(báo )页(yè )状(zhuàng )或(huò )薄(báo )板(bǎn )状(zhuàng )层(céng )理(lǐ )的(de )岩(yán )石(shí )。页(yè )岩(yán )都(dōu )属(shǔ )于(yú )水(shuǐ )成(chéng )岩(yán )，如(rú )油(yóu )页(yè )岩(yán )。

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●页岩（简体版）