白垩

Cretaceous granites form a northerly trending belt.

白垩纪花岗岩的分布呈带状向北延伸。

Chronic gout leads to deposion of urates into a chalky mass known as a "tophus".

慢性痛风导致尿酸盐沉积为似白垩的物质，即痛风石。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水的岩石层, 如沙岩和白垩岩。

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活白垩纪晚期。

As an example,the 3 D paleostructure of the boundary between Middle Eogene an...

作为实例，我们重建了汤原断陷早第三纪中期白垩三维古构造。

The third period is the Jiamuhe group overmature dry gas in the late Jurassic Period to the early Cretaceous.

第三期是佳河组过成熟干气，成藏期纪到早白垩世。

Maris Hotels have been active since 1975, with the operation of the first hotel of the chain, Creta Maris.

作为白垩玛丽斯管理的第一家连锁店，自1975年来，玛丽斯酒店就活跃希腊酒店业。

Abstract :The Cretaceous greenhouse climate and paleoceanography is one of hot topics in the Earth sciences during the past twenty years.

白垩纪典型的“温室”气候和海洋一直是地学关注的焦点之一。

No creditable macrofossil record of the Fagaceae exists in the Cretaceous deposits and all the Cretaceous microfossil reports remain equivocal and require further study.

白垩纪尚无壳斗科可靠的大化石记录，微化石需要进一步研究才能确定亲缘关以及古新世壳斗科已经分化出两个类群。

Ideally located in the south facing stope of the foothills of the Montagne noire, these vineyards grow on both chalky (80%) and schistous soil (20 %).

这些葡萄园位于黑山南部的丘陵地带，生长白垩土（80%）和片岩土（20%）上。

In both cases, the researchers have evoked scenarios of Cretaceous vicariance, followed by endemic species radiation within Madagascar and subsequent dispersal from Madagascar to other areas.

这些情形，研究人员已经考虑了白垩纪的隔离，接着特有种马达加斯加听散布及随后从马达加斯加扩散到其中地区域。

The basin tectonic model: it is intermont basin during late Jurassic to early Cretaceous, developed into faulted-lacustrine basin in Eogene, and evolved into depression in Neogene and Quaternary.

“盆地”构造发育模式为：从晚世到白垩纪末期发育的山间“盆地”开始、发展到早第三纪断陷湖盆的发育、再演化为晚第三纪及第四纪地陷发育阶段。