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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。

Global correlation for strontium isotope curve in the Late Cretaceous of Tibet and dating marine sediments.

西藏晚白垩世锶同位素曲线的全球对比及海相地层的定年。

And Cretaceous in South Tibet was selected as the subject to investigate this relation in this article.

本文选择西藏南部白垩系为研究对象，对这一联系进行了针对性的研究。

According to different dimensions, the cretaceous groundwater basin can be divided into many groundwater flow systems.

摘要以不同的研究尺度，白垩系地下水盆地可以划分为若干地下水流系统。

The early and late Early Cretaceous palynofloras in the region have been established.

建立了研究区早白垩世早期和晚期两个孢粉植物群。

The Ordos Cretaceous Groundwater Basin is an important energy basin of China, where water resource is of great value.

鄂尔多斯白垩系地下水盆地是中国重要的能源基地，水资源有着巨大价值。

Accordingly, the elevation of the Huangshan at the late Cretaceous may have reached up to

据此，黄山在早白垩世的海拔高度可能达到2 693～

Early Cretaceous granitic volcanic-intrusive complex in Xiushanlinchang of northeastern Da Hinggan Mt. consists mainly of rhyolite, rhyolite ignimbrite-trachytic dacite, trachyandesite formed in eruptive cycle stage and adamellite porphyry-geode syenogranite-graphic alkali feldspar syenogranite formed in hypabyssal invasion stage.

大兴安岭东北部秀山林场一带的早白垩世花岗质火山－侵入杂岩体由喷发旋回期的流纹岩、流纹质熔结凝灰岩－粗面英安岩、粗安岩和浅成侵入期的二长花岗斑岩－晶洞正长花岗岩－文象碱长正长花岗岩构成。

Looking from various synthems stratum mop characteristic, the Meso-cenozoic fault activity is the important control action to the deposition and the denude of Late Jurassic- Early Crataceous and Eogene.

从各构造层地层展布特征来看，中、新生代断层活动主要对晚侏罗-早白垩世及古近纪地层沉积与剥蚀起到了重要的控制作用。

Over centuries the landscape changedto open chalk downland.

几百年后，这片土地变成了白垩丘陵地带。

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。