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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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。
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。