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Sentence analysis

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Sentence

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Sentence

成せい層そうした地ち層そうから化か石せきが発はっ見けんされた。

Span Details

成せい層そう

light/support verb with a noun or noun-like phrase

-> するgrammar

た

past tense or completed action

grammar

地ち層そう

stratum; geological layer; bed

化か石せき

noun, suru verb

発はっ見けん

discovery; detection; finding

noun, suru verb

passive, potential, or respect auxiliary

-> されるgrammar

past tense or completed action