cretaceous的例句大全

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℃.

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The petrological-chemical analysis of clastic sedimentary rocks from Quantou Formation, Cretaceous indicates that their lithology mainly consists of arkose, shale and minor rock debris sandstone and greywacke by chemical classification of bulk elements.

通过对白垩系泉头组碎屑沉积岩岩石样品的岩石化学分析表明：主元素化学分类结果主要为长石砂岩、页岩，少量岩屑砂岩和硬砂岩；

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The main types of clastic sandstones are feldspathic litharenite and lithic arkose in the Cretaceous of the Songliao basin.

松辽盆地白垩系砂岩以长石岩屑砂岩和岩屑长石砂岩为特征。

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Corythosaurus lived 80 to 65 million years ago. That time was Cretaceous period.

冠龙生活在6500万~8000万年以前, 这个时候是白垩纪.

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The Maiasaura lived 80 to 65 million years ago. That time was called the Cretaceous period.

慈母龙生活在6500万~8000万年前, 这个时候是白垩纪晚期.

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The web found recently dates to the Cretaceous period . At that time, dinosaurs walked the earth.

最近发现的这张蜘蛛网是白垩纪的, 那时候, 地球上还有恐龙在行走.

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The last dicynodont: An Australian Cretaceous relict.

白垩纪的最后的二齿兽[论文摘要]!

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The A-type granite developed in Dabie-Sulu orogenic belt in late Cretaceous, indicating the end of orogenesis and entered into the avalanche period and post-orogenic period of orogenic belt, which was consistent with the extension period in eastern China.

大别-苏鲁造山带晚白垩世发育A型花岗岩，表明造山作用结束，进入造山带崩塌和后造山期，与中国东部总体的伸展期是吻合的。

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The oil-sand deposits in this region are mainly distributed in Cretaceous sandstone and basal conglomerate.

该地区油砂主要分布于白垩系砂岩、底砾岩中。

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Both the interlayered volcaniclastic rock and lava at Hannah Point and the olivine basalt at Cape Shirreff have the same Middle Cretaceous ages.

汉那角剖面的火山碎屑岩和熔岩及史莱夫角的橄榄玄武岩均具有中白垩世的年龄。

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Back to Cretaceous, Most Astonishing Paleontology Discovery in 20th Century

揭秘20世纪最惊人古生物发现重返白垩纪

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Low density turbidite sequence was well developed in Low Cretaceous in Zone 1 of Bonan Oilfield, Shandong Province.

渤南一区储层砂体发育典型的低密度浊积序列，形成完整和不完整的鲍玛序列。

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On the ages of Jurassic and Cretaceous volcanic rocks by the radiometric dating

根据同位素年龄讨论侏罗、白垩纪火山岩系地层的时代

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Yiwul ü shan mountain is proved to be a metamorphic core complex formed in Cretaceous according to field survey, microstructural analysis, and isotropic dating.

经过野外宏观观测、室内显微分析及同位素年龄测定，基本厘定医巫闾山是一个白垩纪时形成的变质核杂岩。

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Palaeontological evidence for Upper Cretaceous volcano-sedimentary rocks in Fildes Peninsula of King George island, Antarctica

南极乔治王岛菲尔德斯半岛晚白垩世火山岩地层的古生物证据

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The upper structure layer is composed of the Cretaceous to the Quaternary, which shows a large slope dipping northwestward.

上构造层由白垩系第四系构成，构造形态为北西倾斜坡。

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Depositional Palaeogeography of Cretaceous of Kuqa Depression in Northern Tarim Basin

塔里木盆地北部库车坳陷白垩系沉积古地理

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Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.

翼手龙任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期。

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The Cretaceous period ended 65 m 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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Analcite mineral was found rock specimen of cretaceous system in the Ordos Basio vis using micro-analysis.

通过微观分析,在鄂尔多斯盆地白噩系钻孔岩样中发现方沸石类矿物.

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