At the end of the Cretaceous, the geological record shows that these seaways retreated from the continents back into the major ocean basins.

地质记录显示，在白垩纪末期这些航道从大陆撤退，回到主要的海洋盆地。

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They will also accept his scientific argument that looking at the geological record can shed light on the likely consequences of a rapid rise in CO2.

他们还接受他的科学论据，即核查地质记录有助于揭示快速增加的二氧化碳所可能造成的后果。

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And the changes in ocean chemistry are the sort of thing that can be expected to have a direct effect on the geological record if carbon levels rise far enough.

如果碳浓度上升得足够高，则大洋中化学成分的改变可以预料到会对地质编录产生直接的影响。

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Instead, you have to turn to the geological record.

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Although there were no machines for detecting them systematically before 1935, cosmic rays have left their footprints in the geological record by creating radioactive elements such as the carbon-14 used in carbon-dating.

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The new date for the impact (66, 038, 000 years ago) narrows what's been dubbed the 'three metre gap' in the geological record between the demise of the dinosaurs and the asteroid impact to just 18, 000 years.

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