cretaceous的例句大全

The sedimentary tectonic setting during Mesozoic was mainly the continental island arc, and in Trias& Jurassic sometimes was the stable-passive continental margin. And in the period of early Cretaceous the setting was more active, sometimes with the characteristic of the active continental margin.

3中生代时期，构造环境复杂，大陆岛弧型为主，三叠纪&侏罗纪期间处于转型期，兼有稳定的被动大陆边缘型特征，早白垩世兼有活动大陆边缘型特征，构造环境更为活化。

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Cretaceous Normal Superchron implies that the interaction of earth core-mantle and liquid movement in the outer core may be the lowest energy state and the earth magnetic field system maintains a sort of temporal or spatial order structure by exchanging substance and energy in the outside continuously.

超静磁带事件意味着地球核幔相互作用和外核流体运动可能处于能量最低的状态，地球磁场系统通过不断地与外界交换物质和能量，维持一种空间或时间的有序结构。

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Therefore, it is established that the stratigraphic framework of Jurassic Period and Early Cretaceous.

早白垩世发育陆架边缘体系域。在此基础上建立了测区侏罗纪&早白垩世地层格架。

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Was it the Cretaceous period, Paleozoic era, Jurassic period or Pleistocene epoch?

是白垩纪、古生代、侏罗纪还是更新世？

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Any of various large dinosaurs of the genus iguanodon, of the Jurassic period and Cretaceous period.

禽龙属于侏罗纪和白垩纪的禽龙属中的任意一种大型恐龙。

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This landslide is consisted of alternative layers of sandstone and shale in Tetori Group that deposited from Mesozoic Jurassic period to Early Cretaceous period.

滑坡由中侏罗系-早白垩系的手取层群砂岩-页岩互层组成。

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The actual split between the two groups, though, had happened much earlier, during the Jurassic period and by the late Cretaceous there were many species of bird around.

尽管，这两种物种早在侏罗纪时期就已分道扬镳，而且，到了白垩纪后期，已出现了许多种的鸟类。

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Gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe.

侏罗纪或白垩纪早期欧洲巨大的食草性两足恐龙。

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Massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and North Africa; early Cretaceous.

身体大而重的食草恐龙，尾巴又长又重；常见于欧洲和北部非洲；生活在白垩纪早期。

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The hydrocarbon reservoirs at Cretaceous bottom unconformity could be shaped by three styles of barriers such as argillic horizon barrier, leached zone half-weathered mudstone barrier and thin layer barrier.

白垩系底部不整合封堵油气成藏有三种模式，即粘土层封堵、淋滤带半风化泥岩封堵和淋滤带薄层泥岩封堵。

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The Cretaceous confined water is an important water source in Siping City, which contains middle water capacity.

白垩系承压水是四平市重要的供水水源地，水量中等。

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Denudation thickness restoration of Early Cretaceous strata in the Ordos Basin

鄂尔多斯盆地早白垩世剥蚀地层厚度恢复研究

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Environmental Isotopic Composition of Natural Water in Ordos Cretaceous Groundwater Basin and Its Significance for Hydrological Cycle

鄂尔多斯白垩系地下水盆地天然水体环境同位素组成及其水循环意义

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based on the evidence of fossil records and the present distribution, the origin and the formation of recent distributional patterns of this family tvers probed. fossil zingiberaceae has been recorded in stratum of late cretaceous and early tertiary from europe, north america and india.

化石记录表明.欧洲、北美及印度的白垩纪、早第三纪均发现过姜科的化石，据此姜科植物的起源时间应不晚于早白垩纪。

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Provenance sediments and its exploration significance& A case from Member 1 of Qingshuihe Formation of Lower Cretaceous in Junggar Basin

准噶尔盆地车莫古隆起内物源沉积体系探讨及勘探意义&以白垩系清水河组一段为例

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The results indicate that the delamination of mountain root and underplating of mafic ultramafic magma had happened in the Dabie orogen before Early Cretaceous.

结果表明：（1）大别造山带早白垩世前曾发生过山根的拆沉和镁铁质-超镁铁质岩浆的底侵作用；

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Mountain root removal in the Dabie orogen is inferred to have occurred in early Cretaceous.

大别造山带的去山根作用被推断发生于早白垩世。

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As earth rips apart at the dawn of the Cretaceous, a smorgasbord of features shows us natural selection at work in the dinosaurs.

伴随着白垩纪初期大地的分离，许许多多不同的特征向我们展示了自然选择对恐龙的影响。

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isotopic tracing of hydrogeochemical evolution of groundwater in the northern part of ordos cretaceous basin; small white-flowered cress common in wet places in eastern north america.

鄂尔多斯白垩系盆地北区地下水水化学演化的同位素示踪一种开小白花的水芹，常见于北美潮湿地区。

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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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