查询词典 carboniferous

Bauxite of Sanmenxia area in Henan province is Al2O3·H2O and occurs in Benxi Formation of Middle Carboniferous.

河南省三门峡地区的铝土矿是赋存于中石炭统本溪组中的一水硬铝石型铝土矿。

The Early Carboniferous volcanic apparatus is an important metallogenetic structure for formation of gold deposit in the Western Tianshan.

摘 要：新疆西天山地区的早石炭世古火山机构是形成金矿床的重要构造。

On the whole world, the late Carboniferous reefs are made of Chaetetes reefs in early and phylloid reefs in late.

从全球来看，晚石炭世的生物礁主要是早期的 Chaetetes 生物礁和晚期的叶状藻礁，几乎没有珊瑚礁。

Carboniferous of coal, only a majority of the survey is not high degree of exploration, a total of proved reserves 117 million tons.

对石炭系煤，大部分只作了普查工作，勘探程度不高，累计探明储量为117亿吨。

This thesis systematically researches the deformation features of Permo— Carboniferous systems in Bohai Bay Basin.

本文系统深入地研究了渤海湾盆地石炭—二叠系构造变形特征，在详细编图分析的基础上，按层次和时段对其进行构造恢复，探索其构造演化。。。

In the Early Carboniferous, vertical movements and horizontal extension prodominated.

认为早石炭世，该地区以升降和水平拉张运动为主。

After the formation of coal-series of Carboniferous and Permian Period.

究其原因，主要是煤系生成之后，曾经受了燕山运动(一些地区还有喜山早期运动)的严重破坏。

Although there is a little carbonite caused by some magmatic dikes in the CarboniferousPermiam coal, most Carboniferous-Permian coal has no great differences in vitrinite reflectance, crystalline indices, bulk specific gravity, hardness, and the content of velotile matter from the Jurassic coal, and both are super-anthracite.

区内石炭—二叠系煤与侏罗系煤除了前者含有一些由侵入体造成的天然焦或半焦外，二者均为超无烟煤，在镜质体反射率、煤晶核结构、显微硬度、挥发份和容重等方面上均没有明显的差异，说明区域变质是在煤系地层沉积之后发生的。

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

Later of Yanshan movement is main period of oil-gas migration and congregation,it is also main period of coalification in Permo-Carboniferous system ^ Triassic system and Jurassic system.

燕山晚期是盆地油气运移和聚集的主要时期，也是石炭—二叠系、三叠系及侏罗系的煤化作用的主要时期。

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。