石炭纪

According to the optical properties tested by polarizing microscope and Fedorov stage as well as chemical test and analysis, it is shown that the rock is a kind of kaolinitic clay rock composed of kaolin with pure composition, coarser grain, and very good crystallization.

铜川王石凹黑色高岭石粘土岩的成因分析柳淑霞，白开寅（西安地质学院资源系，西安710054）提要黑色高岭石粘土岩，是铜川王石凹煤矿石炭纪煤系地层顶部，五号煤层的上部一层稳定的煤矸石。

Cambro-Ordovician mudstones,upper Cambrian and Carboniferous gypsum rocks and the relatively tight lithologies have blocked the vertical migration of formation fluids in Tarim basin.

塔里木盆地古生代寒武—奥陶纪泥岩、晚寒武世和石炭纪的膏岩层及较为致密的岩性阻碍了地层流体的垂向运移。

Tectonic analysis of Pre-Carboniferous metamorphic stratum and structural foliation dating have shown that The Qinling and its vicinities had happened an important regional tectonic event -Caledonian event, this event represents early paleozoic closure of the Qinling ocean basin and continent-continent obliquely diachronous collision, so we also could reconstruct Caledonian Qinling orogenic belt's basic tectonic framework.

对北秦岭地区前石炭纪变沉积—火山岩地层系统进行构造解析，以及构造面理定年数据表明，秦岭及邻区志留纪至早泥盆世经历了区域性的重大构造事件，相当于加里东事件，该事件代表了秦岭早古生代洋盆闭合、陆—陆碰撞造山的造山事件，并可恢复加里东古造山带的基本构造格局。

With Middle Kunlun Plate subducting toward north, the South kunlun plate subducts to north along South Kunlun Suture Zone from late Caledonian epoch to Carboniferous are formed during Period.

昆南断裂带从加里东晚期开始，伴随昆中板片向北俯冲而成为昆南板片的陆内俯冲带，并一直持续到石炭纪。

Cambro-Ordovician mudstones,upper Cambrian and Carboniferous gypsum rocks and the relatively tight lithologies have blocked the vertical migration of formation fluid s in Tarim basin.

塔里木盆地古生代寒武—奥陶纪泥岩、晚寒武世和石炭纪的膏岩层及较为致密的岩性阻碍了地层流体的垂向运移。

Widespread hydrocarbon occurrences were discovered in Devonian- Carboniferous carbonates of North Novaya Zemlya, Arctic Russia.

在俄罗斯北极区北新地岛的泥盆纪-石炭纪碳酸盐岩地层中发现了广泛的油气分布。

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。