Last Updated：2025/12/06
Sentence
地質学者たちは、その地層に見られる多様な海洋化石の急速な消失が、白亜紀末の大量絶滅事象に匹敵するものかどうかを議論している。
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Geologists debate whether the rapid disappearance of diverse marine fossils in the layer signals a mass extinction event comparable to the end-Cretaceous die-off.
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Geologists debate whether the rapid disappearance of diverse marine fossils in the layer signals a mass extinction event comparable to the end-Cretaceous die-off.
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Related words
mass extinction event
Noun
Japanese Meaning
地質学や進化論において、地球上の生命の約75%が、300万年以内の地質学的期間にわたって急激に絶滅したとされる5つの大規模な絶滅事象の一つ。特に最後の事象は、約6600万年前の白亜紀‐古第三紀境界で起こったとされる。
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