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其侵位时代为早白垩世。Its emplacement age was Early Cretaceous.

早白垩世中期—晚白垩世。Middle stage of Early Cretaceous-Late Cretaceous.

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山东省郯城东北部为中生代陆相沉积盆地。Cretaceous system is the basin of continental deposit.

白垩纪时代大约是一千二百万年以前。The Cretaceous Period was about 120 million years ago.

白垩系储层以原生孔隙为主。Cretaceous sandstone reservoir is of primary pore type.

白垩纪周口盆地的盆地原型应是山前凹陷盆地。The prototype of Zhoukou Cretaceous basin should be of foredeep basin.

它们分属于晚白垩世早期、晚白垩世—古新世。Their ages may be early Late Cretaceous and Late Cretaceous-Paleocene.

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从地层学上看,它们都属于白垩纪。From the view of strati graphy they all belong to the cretaceous period.

从地层学上看,它们都属于白垩纪。From the view of stratigraphy, they all belong to the Cretaceous period.

金矿床的主成矿期为晚侏罗世—早白垩世。Major ore-forming period of gold is in late Jurassic to early Cretaceous.

西峡恐龙遗址属于白垩纪断陷盆地沉积。Xixia ruins belong to the Cretaceous period dinosaur rift sedimentary basin.

糕菊石是晚白垩世世界范围内分布的属。Placenticeras was widely distributed in the world during the late Cretaceous.

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下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相,湖相和浊流相。The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.

走滑断裂构造系形成最晚,为晚白垩世形成的构造。The strike slipping structural system was formed the latest, in Late Cretaceous.

核部有强力侵位的早白垩世的房山花岗闪长岩株。The Fangshan granodiorite pluton of Lower Cretaceous occupies the middle of core.

白垩纪是准噶尔盆地超压形成的开始期,新近纪得到进一步加强。The overpressure originated in the Cretaceous and was strengthened in the Neogene.

六盘山白垩纪盆地是六盘山内陆叠合盆地的一个单型盆地。Liupanshan Cretaceous basin is a mono-basin of Liupanshan inland overlapping basin.

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晚侏罗世和早白垩世为范围广阔的大型坳陷盆地。A larger down-warped basin formed during the Late Jurassic and the Early Cretaceous.

这只史前爬行动物生活在约一亿两千五百万年前的白垩纪。The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.

天外来客对地球的撞击与白垩纪的物种灭绝事件有着最为密切的联系。An extraterrestrial impact is most closely linked to the Cretaceous extinction event.