石炭纪

Introduction Closure of gate roads with soft floor is a problem encountered in the carboniferous coal measures of the North America and Europe.

导言 关闭大门的道路软底是一个问题中遇到的石炭纪煤系的北美和欧洲市场。

It is supposed that Carboniferous mineralization maybe was a very important metallogenesis period in the Zhashan area.

确定的石炭纪（300Ma左右）的流体交代成矿作用，可能是南秦岭地区又一次非常重要的成矿作用。

The ancestors of odonates date back to the Carboniferous period, about 325 million years ago.

蜻蛉的祖先早在三亿二千五百万年前的石炭纪时便已出现在地球上

The field outcrop section of Carboniferous in northern Luobubo seg of Tarim basin was measured in detail.

总结出了适合这种混合沉积层序的相模式，依据这种相模式对本剖面石炭纪的岩相古地理进行了简单分析。

Genus of fossil seed ferns of the Carboniferous .

石炭纪的一种化石种子蕨。

Dolomites that generated abundant secondary porosity in the Late Devonian and Early Carboniferous would also make good targets.

在泥盆纪晚期和石炭纪早期产生大量次生孔隙的白云石也可能形成很好的油藏目标。

We have found Class I amber in Carboniferous sediments dating to ~320 million years ago.

Sargent Bray及其同僚现在在石炭纪沉积物中发现了琥珀，该时期可回溯到3亿多年以前。

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。

Arthropleura evolved from crustacean-like creatures in the Carboniferous, and grew so large because of the high percentage of oxygen in the Earth's atmosphere at that time.

古马陆从石炭纪类似甲壳类的生物中进化而来，它的体形之所以长得如此庞大，是因为当时大气层中氧的百分含量高的缘故。

Research finds out that Carboniferous-Early Permian volcanic rocks system that largely distributing in Tianshan and its adjacent regions are continental rift volcanic rock system, it originated from mantle plume, they may be the surface response of the deep Geodynamics of paleo-Tethys extension effect in central Asian region.

5研究查明天山及其相邻地区广泛分布的石炭纪—早二叠世火山岩系为大陆裂谷火山岩系，其源区起源于地幔柱，它们可能是古特提斯拉伸裂解作用的深部地球动力学在中亚地区的地表响应

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。