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The fact that we find these species in the rocks above the Chicxulub impact rocks
在希克蘇魯伯大碰撞上方巖層發現這些物種，
means that Chicxulub impact must predate the mass extinction by about three hundred thousand years
說明希克蘇魯伯大碰撞肯定比大滅絕提早了大約30萬年，
and that just confirms what we already found.
這也證明了我們之前的發現。
Keller and Stinnesbeck thought they had won.
Keller和Stinnesbeck認為他們已大獲全勝。
For them, the evidence proved beyond doubt that Chicxulub was far too old to have caused the extinction of the dinosaurs.
在他們看來，希克蘇魯伯大碰撞毫無疑問發生得太早了，不可能造成恐龍滅絕。
But that was just one way to look at it.
但這只不過是一家之辭。
When Jan Smit analysed the core, he saw something quite different.
當Jan Smit分析巖芯時，他發現了一些完全不同的東西。
He found evidence that the rock had been created quickly.
他找到了巖石迅速形成的證據。
Look here for instance, you see here ripple marks,
比如說看看這里，你能看見這些波狀紋理，
there's another layer of ripple marks, there are lines in the rocks,
這是另一條波狀紋理，它們排在巖石中，
they all bear evidence for strong currents which implies Tsunami events.
這些都是強大水流的證據，也就意味著海嘯事件。
