cretaceous的例句大全

The most important metallogenetic epoch is Mesozoic ( Jurassic& Cretaceous) gold mineralization, whereas the Archean greenstone and Cenozoic epithermal types gold deposits are minor in China.

中国金矿床最重要的成矿时代为中生代（侏罗&白垩纪），缺乏国外广泛出现的新太古代绿岩型金矿化和新生代金矿化。

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Spore-pollen group in Early Cretaceous period and a few problems of division and comparison of Lower Cretaceous in middle part in Jilin Province

吉林中部早白垩世孢粉组合及下白垩统划分和对比的几个问题

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Two fossil spore-pollen assemblages are found in the Cretaceous red beds of Jin Ju Basin, Chekiang Province.

浙江金衢盆地白垩系红层，共发现二个化石孢粉组合。

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Cretaceous Spore-pollen Assemblages of Jin-Ju Basin, Chekiang Province

浙江金衢盆地白垩系孢粉组合

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The sandstone-hosted copper deposits of Cretaceous age in the Chuxiong basin were closely related with the lower coaly formation, the middle cupriferous formation and upper gypsum-salt formation.

楚雄盆地砂岩铜矿产于白垩系地层层位中，矿床与盆地内的下部含煤建造、中部的红色含铜碎屑岩建造和上部白色膏盐建造关系密切。

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The fourth occurred at the end of the Early Cretaceous, showing titling with weak faulting and folding.

其四发生在早白垩世末期，表现为掀斜运动，褶皱和断裂作用相对较弱。

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Chinese Early Cretaceous birds, as well as arboreal dinosaurs of the same age in China, also provide compelling evidence for the arboreal hypothesis of the origin of avian flight.

中国发现的早白垩世的鸟类以及树栖的恐龙化石还为鸟类飞行的树栖起源假说提供了十分重要的证据。

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Genus of large duck-billed dinosaurs; late Cretaceous.

白垩纪晚期的一种大的鸭嘴龙。

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Genus of duck-billed dinosaurs of late Cretaceous. Many were vegetarians.

白垩纪晚期的鸭嘴龙的一属。很多恐龙是素食类的。

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The spore-pollen assemblages from the Cretaceous salt-bearing strata in huai ′ an, jiangsu

江苏淮安地区上白垩统含盐地层孢粉组合序列

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Research of Paleoenvironment and Paleoclimate of Cretaceous in Ya'an Area of Western Sichuan Basin

川西雅安地区白垩纪古环境古气候研究

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The formation of the Middle Jurassic-middle Early Cretaceous thrust nappe system in western Liaoning was related to the final closing of the Mongolian-Okhotsk Ocean between the Siberian and North China plates and plate collision and westward subduction of the Paleo-Pacific plate beneath the East Asian continent.

中侏罗世早白垩世中期形成的辽西地区道冲推覆构造系既与西伯利亚板块与华北板块之间蒙古鄂霍茨克大洋最终闭合碰撞有关，同时也与古太平洋板块向西俯冲在东亚大陆之下有关。

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℃/ km, which indicate that there have been a relatively large regional tectonic thermal event during the Early Cretaceous. The R o of the Upper Cretaceous and Lower Tertiary distribute narrowly between 0.40% and 0.74% and the geothermal gradient is 38.30?

上白垩统和下第三系Ro集中分布在0.40%～0.74%，地温梯度为38.30℃/km。

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There are two strata series of the Lower-middle Jurassic and the Lower Cretaceous potential source rock in Yinger depression, the eastern Jiuquan basin.

酒东盆地营尔凹陷存在下白垩统和中、下侏罗统2套生油层。

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Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in Lower Jurassic, lower part of Middle Jurassic and Lower Cretaceous are the best source rocks.

区内石炭&二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。

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The Upper Cretaceous Azile, Anguille, Pointe-Clairette and Point-Gentile Formations are the oldest strata drilled at the X Block in Gabon.

加蓬×区块钻遇的最老地层是上白垩统，自下而上分为Azile组、Anguille组、Pointe-Clairette组及Point-Gentile组。

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The Cretaceous is an intraplate-rifting stage, characterized by representative geological elements such as AA-type granite, red down-faulted basins, bimodal subvolcanic rocks and basic volcanic rocks.

白垩纪为陆内裂谷阶段，形成的代表性地质要素有AA型花岗岩、大量陆相红色断陷盆地、基性火山岩、双峰式次火山岩等。

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The Cretaceous period ended 65m years ago with the obliteration of the dinosaurs.

6500万年前白垩纪的结束伴随着恐龙的灭绝。

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Combining with the data of fission track and paleogeography, subsidence history in Cretaceous of Kuqa depression can be divided into four stages,( 1) middle Berriasian ( 141.9-141.2Ma): sharp subsidence;

结合裂变径迹资料和岩相古地理特征，将库车坳陷白垩系沉降历史分为四个演化阶段：（1）Berriasian中期（141.9~141.2Ma）：极快速沉降；

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In early Cretaceous the basin was developed as the fault basin with NNE direction in the environment of regional extension, and the coupling relationship of basin-mountain still was the shallow level one; the high place was denuded and the low place was filled.

早白垩世的盆地在区域伸展的环境中形成了NNE向的断陷盆地，盆&山耦合仍是高处剥蚀、低处充填的浅层次的填平补齐关系。

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