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The organic source rocks of Paleogene from Huangxian basin are rich in the content of exinite and sapropelinite,especially resinite and alginite.

黄县盆地下第三系有机岩中含有丰质组和泥组,尤树脂体和藻类体,这些氢组分荧光性质各不相同。

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PBS-动物趣闻

One genetic study has traced its origins to the Late Cretaceous or Early Paleogene period.

一项遗传学研究将其起源追溯到白垩纪晚期或古近纪早期。

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Journeys Through Geologic Time

Paleogene, the two periods whose boundary is marked by this event.

古近纪的德语缩写之后,两个时期的边界 以该事件标志。

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Journeys Through Geologic Time

This was the very beginning of the Paleogene Period, and the world was … kind of empty.

是古近纪的 开端,世界… … 有点

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2023-41

This mass extinction event, known as the Cretaceous-Paleogene (K-Pg) extinction, saw the demise of about 75% of Earth's species, including all non-avian dinosaurs.

次大规模灭绝事件被称白垩纪-古近纪 (K-Pg) 灭绝,导致约 75% 的物种灭绝,包括所有非鸟类恐龙。

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世界奇趣图谱

To be precise, we will be going back 66 million years ago to an event known as The Cretaceous–Paleogene extinction event, which is also known as the Cretaceous–Tertiary or K–T extinction.

准确说, 我们将回到 6600 万年前的白垩纪-古近纪灭绝事件,也称白垩纪-第三纪或 K-T 灭绝事件。

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PBS-动物趣闻

At the end of the Cretaceous Period, a fatal blow struck the ammonites and most of the nautiloids: the Cretaceous-Paleogene extinction event -- the same event that killed the non-avian dinosaurs.

在白垩纪末期,一个致命的打击击中了菊石和大多数鹦鹉螺:白垩纪-古近纪灭绝事件——与杀死非鸟类恐龙的事件相同。

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PBS-动物趣闻

Well, the first thing to note is that the Cerrejon formation dates back to just a few million years after the Cretaceous-Paleogene extinction event that wiped out all of the non-avian dinosaurs and many other megafauna.

好吧,首先要注意的是,Cerrejon 层的历史可以追溯到白垩纪-古近纪灭绝事件之后的几百万年,场灭绝事件消灭了所有非鸟类恐龙和许多其他巨型动物。

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科拉诺斯动画科普

Some parts  of the world were already scorching during the Late Cretaceous Period, the last great age of the  dinosaurs, but temperatures climbed even higher following a global catastrophe known as the  Cretaceous-Paleogene or K-Pg Extinction Event.

在白垩纪晚期,即恐龙的最后一个伟大时代, 世界的一些区已经变得炎热,但在一场被称白垩纪-古近纪或 K-Pg 灭绝事件的全灾难之后, 气温甚至攀升得更高。

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