查询词典 cretaceous

The term is used at various localities in North Africa, in cludes beds rang in g 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。

Late Cretaceous and Cenozoic History of North American Vegetation.

详细描述了北美洲大陆晚白垩纪和新生代的植物群。

Any of various extinct lungfishes of the genus Ceratodus,of the Triassic and Cretaceous periods.

澳洲肺鱼，角齿鱼三叠纪和白垩纪的一种已灭绝的角齿鱼属肺鱼

The Bayan Nur Geopark holds the biggest and most important late Cretaceous dinosaur fossils in China or even in the East Asia, abundant in fossils, such as ceratopsia, ankylosauria, coelurosauria, furtherover chelonian, crocodilian, saurischian and mammalian, and egg fossils of vertebrates.

内蒙古巴彦淖尔地质公园恐龙园区是中国乃至东亚地区最大、最重要的晚白垩世恐龙化石产区，蕴藏着丰富的古生物化石，主要有角龙类、甲龙类、兽脚类化石，还有龟鳖类、鳄类、蜥蜴类、哺乳类以及多种不同的脊椎动物及其蛋化石。

The assemblage of self-generating and self-preserving reservoir was the most important type in the Cretaceous Chonta Formation.

Chonta组自生自储组合是最重要的成藏组合。

The phase of rift basin formed the primary source rocks and reservoir and seal. Triassic-Jurassic Pucara Group and Cretaceous Chonta Formation generated a mass of hydrocarbons in Paleocene-Eocene (60-45Ma) and Miocene (15-5Ma), respectively.

盆地内主要的烃源岩及储、盖组合均发育在裂谷盆地阶段，三叠系—侏罗系Pucara群和白垩系Chonta组2套主要烃源岩的排烃高峰期分别是古新世—始新世（距今60～45 Ma）和中新世（距今15～5 Ma）。

Four potential exploration targets are: Drape and extruding anticline traps in the source rock drainage area in Chonta Formation in central-western basin; Traction and extruding anticline traps in the source rock drainage area in Pucara Group in central-southern basin; Pucara Group carbonate traps in central basin; Upper Cretaceous lithologic traps and Upper Paleozoic structural-stratigraphy traps in the northern and eastern exploratory area.

有潜力的勘探领域包括中西部白垩系Chonta组烃源岩供油区域的披覆和挤压背斜圈闭，中部和南部侏罗系Pucara群烃源岩供油区域的牵引背斜圈闭和挤压背斜圈闭，中部的Pucara群碳酸盐岩圈闭，北部和东部成熟探区上白垩统岩性圈闭和上古生界构造-地层圈闭。

Yet, upon further reflection, human impact on the planet is a direct analogue of the Cretaceous cometary collision.

然而进一步的说，人类对于地球的影响，完全相当于白垩纪的彗星撞击。

The passive continental marginal basins of South America formed in Late Jurassic-Early Cretaceous as Gondwana land splitting, underwent pre-rift stage, synrift stage, transitional period and drift episode, formed sets of generating rock and reservoir-cover rock compages.

南美洲被动大陆边缘盆地形成于晚侏罗世-早白垩世冈瓦纳大陆的裂解，经历了前裂谷期、同裂谷期、过渡期、后漂移期4个阶段，发育了多套生储盖组合。

One confounding factor is that the late Cretaceous was also a period of great volcanic activity.

令人生疑的一个因素是，白垩纪末期也是个火山剧烈活动的时期。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。