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The story takes place 6500 years ago in the late Cretaceous period. 故事发生在6500万年前的白垩纪晚期。
Only in the tropics were numerous late Cretaceous groups extinguished during peaks in their evolution. 只是热带地区才有大批晚白垩纪生物类群正值其演化的极盛时期突然消亡。
Stratigraphic resolution of late Cretaceous sediments is limited to around 1 00, 000 years at best. 白垩纪末沉积物的地层分辨率最好只能达到10万年左右。
Stratigraphic resolution of late Cretaceous sediments is limited to around 1 00,000 years at best. 白垩纪末沉积物的地层分辨率最好只能达到10万年左右。
Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous. 黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。
In this paper, we discuss the oxygen content of the Late Cretaceous sea water by means of microfossil proxies. 黑层段中生物大量灭绝，深层水具旋脊有孔虫遭受的危机代表当时海洋深层水体严重缺氧的结果；
Yazui Long also known as the platypus, is the late Cretaceous bird-head herbivorous dinosaur of a family. 鸭嘴龙也称为鸭嘴兽，是白垩纪后期鸟盘目草食性恐龙家族的一员。
The Lishui Jiaojiang Sag was a faulted basin developing on the continental margin from the late cretaceous epoch. 丽水、椒江凹陷是晚白垩世以来发展起来的大陆边缘裂陷盆地。
The sedimentary rocks formed in Pukou stage of Late Cretaceous period are distributed widely in the Lower Yangtze area. 摘要浦口期沉积范围遍及下扬子区。
It lived during the Late Cretaceous (Santonian stage, around 85 million years ago), in what is now Belgium. 牠生活于上白垩纪的桑托阶，距今约85百万年前的比利时。
The basin was uplifted and denuded in the Late Cretaceous, and most of the denudation region was in the Lenghu area. 晚白垩世大面积隆升，侏罗系剥蚀量最大的地区位于冷湖一带。
The Ordovician-Silurian shales in the Oued Mya-Erg Oriental region of Algeria expelled large amounts of oil as recently as Late Cretaceous time. 阿尔及利亚的Oued Mya-Erg东部地区的奥陶系-志留系页岩直到晚白垩世才排出大量的石油。
Because of Yizheng orogeny in Late Cretaceous, braided delta system of Anfeng was formed by rifling in Subei Basin and rising of sedimentary base level. 摘要受晚白垩世仪征运动的影响，苏北盆地拉张断陷，沉积基准面上升，从而形成了比较完整的安丰退积型辫状三角洲沉积体系。
Because of Yizheng orogeny in Late Cretaceous,braided delta system of Anfeng was formed by rifting in Subei Basin and rising of sedimentary base level. 受晚白垩世仪征运动的影响,苏北盆地拉张断陷,沉积基准面上升,从而形成了比较完整的安丰退积型辫状三角洲沉积体系。
Jurassic System entered oil-generating stage in Late Cretaceous Period, and entered oil-generating peak in Tertiary Period. 侏罗系地层在晚白垩世开始进入生油期，第三纪时进入生油高峰，这时侏罗系地层经受的最高古地温为137℃。
The results show that the Cretaceous strata located in Sancha-Sidianwas deposited in late Cretaceous. At least, it contains late Cretaceous strata. 结果表明这一带的白垩系地层沉积于晚白垩纪 ,或至少含有晚白垩纪的沉积。
The resumed subsidence history of the basin commendably reflects the evolution history of the basin from Late Cretaceous to Neogene. 本区沉积中心多表现为不对称的深凹区，沉积厚度巨大，是研究区生油层系的重要场昕。
The Velociraptor, Velociraptor mongoliensis, was a predatory dinosaur that lived during the late Cretaceous period, approximately 75 million years ago. 古生物学家认为这是一种非常顽强的猎食其他动物的野兽，而且可能是成对或成群地外出追猎。
During extensional activities of Late Cretaceous to Eogene, intense upwelling of asthenosphere happened under the fault zone, leading to lithospheric necking in pure shear model. 断裂带在晚白垩世-早第三纪的伸展活动中,软流圈发生了强烈的上隆,岩石圈出现了显著的细颈化,属于纯剪切伸展模式。
Mosasaurs breathed air and were powerful swimmers that were well-adapted to living in the warm, shallow epicontinental seas prevalent during the Late Cretaceous Period. 沧龙类呼吸空气，而且是强壮的游泳者，在温暖的陆缘浅海适应良好，在晚白垩纪时期相当普遍。