白垩纪早期

根据pk-2井中的菊石属于地中海沿岸地理亚种这一事实，提出我国东部在白垩纪早期可能与特提斯海有某种联系。

According to the fact that Holcophylloceras caucasicum found in pk-2well belongs to the geographic subspecies of Mediterranean coastal areas , it is suggested that there could be certain connection between East China and Tethys Sea during early Cretaceous period .

白垩纪早期陆相特殊沉积的分布特征及气候意义

Distribution characteristics and climate significance of continental special deposits in the Early Cretaceous

侏罗纪或白垩纪早期欧洲巨大的食草性两足恐龙。

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

鲁东地区白垩纪早期非金属矿含矿火山－沉积建造

Ore-bearing volcanic-sedimentary formation of nonmetallic minerals in the early Cretaceous period in eastern Shandong

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。

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

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。

They date from the early Cretaceous period , which began around 145 million years ago and ended 65 million years ago .

但存在如此古老的传粉媒介的事实可以帮助科学家们解释在白垩纪早期到中期开花植物的快速多样化。

But the fact that an ancestor of an important modern pollinator existed back then could help scientists explain the rapid expansion of floral diversity in the early to mid-Cretaceous .

最后从盆地的区域地质背景出发，初步认为白垩纪早期胶州-莱阳盆地的形成与其南部苏鲁造山带的后期隆升同时，造成研究区总体处于伸展-裂解的构造环境之中。

Taking the geological setting of the basin into account , the authors believe that the formation of the Jiaozhou-Laiyang Basin is coeval with the uplifting-extension of the Sulu ultrahigh-pressure terrane .

白垩纪早期，区域变形逐渐以伸展为主，古地理&古环境明显改变，火山喷发频繁、强烈，构造变形较弱。

From the Early Cretaceous on , regional deformation was gradually dominated by extensions then the tectonic environment changed significantly , volcanic eruptions took place repeatedly and strongly and tectonic deformation was relatively weak .

其中，下部超压系统开始形成于白垩纪早期，中部超压系统开始形成于白垩纪中期，而上部超压系统形成的最早时期应为中新世。

Among which , the lower overpressure system was formed in the Early Cretaceous , the middle one formed in the Middle Cretaceous , whereas the upper one ori ￣ ginated in the Miocene .

然后还有新疆猎龙（Xinjiangovenator），为白垩纪早期生物，2005年被确认为一种新物种，要是放在童书里面，它的名字将会特别好听。

Then there 's the Xinjiangovenator , meaning Xinjiang hunting dinosaur , an Early Cretaceous creature that was established as a new species in 2005 and whose name would sound especially good in a kid 's book .

根据化石记录及现代分布推断，无患子科可能在白垩纪早期起源于冈瓦纳古陆，对其可能的散布途径作了图解。

Based on the evidence of microfossils and modern distribution pattern of the family , it can be concluded that the family was possibly originated on Gondwana in very early Cretaceous , and its dispersal pathway is schematized .

“华丽羽王龙”生存在大约距今一亿两千五百万年的白垩纪早期，成年时体长约9米，重达约1.4吨，比此前已知最大的带羽毛恐龙“意外北票龙”要大40倍。

The Yutyrannus is believed to have lived during the Early Cretaceous period around 125 million years ago . The researchers estimate that an adult Yutyrannus would have been about 9 meters long and weighed about 1400 kilograms .

本文在综合分析海峡两岸有关资料的基础上，提出我国东南沿海在白垩纪早期曾受到海水的影响。

Based on the comprehensive analysis of the geological data about the east and west coasts of Taiwan Strait , this paper proposes that the southeast coastal areas ot our country were affected by sea water during the period of early Cretaceous .