查询词典 Carboniferous

In the Indosinian and early Yanshanian orogenies, the buried hill structure rose because of compression and thrusting. After the Carboniferous and Permian had been peeled, the Ordovician was weathered and leached for a long time.

印支期—燕山早期的挤压逆冲使潜山构造抬升，石炭系—二叠系遭受剥失后，奥陶系长期遭受风化淋滤。

Fracture styles are consisted mostly of structural fracture, which not only make up the principal permeability contributor, but also control porosity distribution in the vertical and planar section. The matrix porosity has good correlation with the fracture's development in the Carboniferous bioclastic limestone member. High porosity zones are commonly found in fracture well developed parts such as structure axes, low porosity zones in less fracture structure nek.

裂缝以构造缝为主，裂缝不但是储层渗透率的主要贡献者，而且控制孔隙在垂向及平面上的分布：在纵向上，裂缝发育段也是基质孔隙发育段；而平面上，构造高部位等裂缝发育处孔隙度也相对较大，而在构造鞍部裂缝不发育区，孔隙度也低。

Daqingshan gold deposit is a Carboniferous carbonaceous-rock-hosted quartz vein type.

大青山金矿是产于石炭系炭质岩系中的石英脉型金矿。

The Middle Devonian Beitashan Formation consists of a series of intermediate-basic volcanic rocks intercalated with more than 100 m thick picritic layer at the bottom, whereas the Middle Devonian Yundukala Fm. is composed of a series of shallow-sea fine-clastic rocks interbedded intermediate rocks and intermediate-basic rocks. The Late Devonian Jiangzierkuduke Fm. includes pyroclastic rocks intercalated with intermediate-basic and intermediate-acid rocks, whereas the Late Carboniferous Batamayineishan Fm. consists chiefly of basalts and basaltic andesites intercalated with tuff, siltstone and carbonaceous shale.

其中中泥盆世北塔山组为一套中基性火山岩，并且底部含有厚度超过100m的苦橄岩；中泥盆世蕴都喀拉组为一套浅海相细碎屑沉积岩夹中性、中基性火山岩；晚泥盆世江孜尔库都克组为火山碎屑岩夹中基性和中酸性火山岩组合；而晚石炭世巴塔玛依内山组以玄武岩和玄武安山岩为主，夹凝灰岩、粉砂岩和炭质页岩。

New formula of drilling mud density of the control wellbore closed rate in salt bed .;2. Application of ternary copolymer salt-resisting fluid loss reducer in salt bed of Carboniferous system in Tahe oilfield.;3. The components of amphoteric polymer salt tolerance mud have been introduced, and the field operation technology drilling through thick salt bed by using amphoteric polymer mud system has been summarized.

论述了盐对泥浆胶体性质的影响机理，介绍了两性离子聚合物抗盐泥浆的组成，总结了两性离子聚合物泥浆体系钻穿大段盐层的施工工艺及现场应用中常见的问题，指出抗盐泥浆的基础是保证处理剂对粘土颗粒足够的护胶能力，而手段是提高抗盐处理剂在泥浆中的含量。

Amorphous or crystalline concretions of pyrite and marc marcasite of variable shape and size have been found in some coal seams in the Permian-Carboniferous Yuemengou Coal Series in Taiyuan, Shanxi.

在太原西山石炭—二迭纪月门沟煤系的某些煤层中，发现有不同形状和大小的硫化铁矿物结核。这种结核有非晶质和结晶质的。

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。