Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.
57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。
A larger down-warped basin formed during the Late Jurassic and the Early Cretaceous.
晚侏罗世和早白垩世为范围广阔的大型坳陷盆地。
The volcanic actions ended in the early Cretaceous, 120 million years before present.
结束于早白垩纪（一亿二千万年）。
Erlian basin is the Early Cretaceous rift group formed and developed on the Hecynian folded belt.
二连盆地是在海西期褶皱基底上发育起来的，为早白垩世断陷群。
It is a heteropic product synchronous with the Heishidu Formation and deposited in the early Cretaceous.
与黑石渡组为同期异相产物，属于早白垩世沉积。
They date from the early Cretaceous period, which began around 145 million years ago and ended 65 million years ago.
据悉，他们最早生活在白垩纪早期，亦即1亿4千5百万年前到6千5百万年前。
There are a lot of dinosaur footprints in the Early Cretaceous from Yanguoxia, Yongjing County, Gansu Province.
甘肃永靖盐锅峡下白垩统河口群盐锅峡组发现大量恐龙足迹化石。
Its discovery pushes back the date of when flowering plants diversified to around 127 million years ago, during the early Cretaceous period.
这项发现将开花植物开始多样化的时间推到了大约一亿两千七百万年前，那时正是白垩纪的早期。
Apatite fission track data suggest that the early Cretaceous strata in the Liupanshan basin were subjected to two burial heating events.
磷灰石裂变径迹研究表明，六盘山盆地白垩系地层经历两次埋深加热事件。
Wang says that sediments in the areasuggest that the pterosaurs died in a large storm about 120 million years agoin the Early Cretaceous period.
王晓林还从该地区的沉积物推测道：“在大约1.2亿年前的白垩纪早期，一场强大的风暴夺走了这些翼龙的生命。”
The flourishing of the Jehol Biota is related to the unique, warm, fresh water and continental environment of East Asia in the Early Cretaceous.
热 河生物群的繁盛和东亚地区当时特有的温暖的淡水和陆地环境具有密切的联系。
Other bird "trace" fossils have been found in Utah and Alaska, but none from so far back as the early Cretaceous -- at the height of the age of dinosaurs.
在犹他州和阿拉斯加州还发现了另一种鸟的“足迹”化石，但都无法追溯到白垩纪早期——恐龙时代的鼎盛时期。
Based on the analysis of the characteristics of hot fluid, the mineralization mechanism of the Early Cretaceous sublacustrine hot fluid in the area is discussed.
在热流体特征分析基础上，对研究区早白垩世湖底热流体成矿机制和成因模式进行了探讨。
The presences of Early Cretaceous thrusting and foreland basin system suggest that crustal thickening in the Lhasa terrane likely initiated during the Early Cretaceous.
早白垩世褶皱冲断作用和弧背前陆盆地系 统的发育暗示了拉萨地块发生地壳缩短增厚的时间可能从早白垩世就已经开始。
The strata, tectonics and geochemistry of volcanic rocks in the Early Cretaceous of the Fuxin-Yixian Basin and adjacent area in western Liaoning have some special features.
辽西阜新-义县盆地及其附近地区，其早白垩世的地层、构造和火山岩有明显的特殊性。
The Early Cretaceous outcrops in Gansu Province, northern China, have yielded numerous dinosaur skeleton remains and tracks; however, fossil eggs have not been reported in literatures.
甘肃省早白垩世地层中，出土了大量恐龙骨骼以及恐龙足迹化石，但是至今未有蛋化石的报道。
In these process of evolution, it deposited mainly hydrocarbon source rocks of lacustrine facies in the Early Cretaceous and secondary coal measures source rocks in Early-Middle Jurassic.
主要形成了下白垩统半深湖相烃源岩，其次为中下侏罗统煤系烃源岩。
Both the Pacific plate and the Siberian block slowed down in the early Cretaceous, and almost stopped in the middle Cretaceous with the rapid decrease of abnormal heat in the mantle below.
进入早白垩世晚期至晚白垩世早期，由于双重俯冲带中西侧俯冲作用带基本停止活动，而本区地慢热能的快速衰减则控制盆地的构造热演化；
Furthermore, the distinctive differences are present between this suite of strata and the Early Cretaceous Lisangou Formation in terms of biological assembly, diagenesis and tectonic pattern.
在生物组合、成岩性及构造样式等方面与早白垩世李三沟组明显不同。
The term is used at various localities in north africa, includes beds ranging from carboniferous to early cretaceous .
在北非不同的地方使用这个名称，包括从石炭纪到早白垩纪的地层。
The key moment of pool-forming was early Cretaceous.
早白垩末是山西组成藏关键时刻。
The age of the Fuding Formation and the Shimaoshan Group may be assigned to middle-late early Cretaceous and early late Cretaceous respectively.
福鼎组和石帽山群的时代应分别为早白垩世中、晚期和晚白垩世早期。
The research result shows:Badaohao Formation - coal-bearing strata - in Badaohao Coal Basin is of early Cretaceous Period and can be correlated to Shahai Formation in Fuxin Basin.
研究结果表明：区内八道壕煤盆地的含煤地层八道壕组属早白垩世，可与阜新盆地的沙海组对比。
It was called the Ruyang Gigantic Sauropod Dinosaurian Fauna by L et al… It represents a new late Early Cretaceous to early Late Cretaceous dinosaurian fauna from China.
该动物群代表了我国早白垩世晚期至晚白垩早期的恐龙动物群，其分异程度也比以前想象的高得多。
Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.
侏罗纪晚期和白垩纪早期任一种食肉恐龙，形似霸王龙但体型较小。
On the southwestern margin of the basin there occur middle Yanshanian Late Triassic and Early Cretaceous coarse clastic molasse-like deposits and angular unconformity.
在盆地西南缘发育燕山中期的晚侏罗世和早白垩世的粗碎屑类磨拉石建造及其地层间的角度不整合。
The tectonic fractures mainly formed in the end of Triassic, Cretaceous and Neogene-Early Pleistocene.
构造裂缝主要在三叠纪末、白垩纪末和新近纪末—早更新世末形成。
The tectonic fractures mainly formed in the end of Triassic, Cretaceous and Neogene-Early Pleistocene.
构造裂缝主要在三叠纪末、白垩纪末和新近纪末—早更新世末形成。
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