查询词典 Paleozoic

Coal-bearing formations in upper Paleozoic were well developed in Jiyang area ,and this is essential for scale accumulation of coal-genetic gas.

济阳地区煤系有机质二次生烃特征及勘探思路煤成气是一种重要的天然气资源，济阳地区上古生界煤系地层广泛分布，是煤成气形成规模聚集的基础。

They are:①completed total 8 000 km long natural seismic profiles cross the northern boundary and central part of the plateau, identified several deep-cut lithospheric faults and low velocity and low density bodies under the central part of the plateau related to Cenozoic volcanic eruption, the Tarim block subducted beneath the Altun Mts;②found the evidence that the Altyn Tagh fault formed in 220～240 Ma and at least 400 km sinistral offset since, and determined quantitatively deformation in Cenozoic;③discovered 350 km long high-ultrahigh pressure metamorphic belt in the south border of the Qilian terrane,which brobably represented the Early Paleozoic boundary between the North China and Yangtze plates;④according to new discoveries of caledonian ophiolite,granite are subducted complex established paleo-collision orogenic framework of northern Qinghai-Tibet plateau;⑤proposed a new model .

本文展示了中法1995～2000年青藏高原北部地学研究的如下主要新进展：①完成8 000 km长的青藏高原北部及中部天然地震岩石圈探测剖面，确定若干条岩石圈断裂，发现与新生代火山喷发有关的青藏高原中部深处的低速、低密度体，塔里木地块俯冲于阿尔金山之下；②提出阿尔金断裂形成于220～240 Ma和左行平移400 km的科学依据及确定其新生代变形量；③确定祁连南缘350 km长的高压-超高压变质带，提出其可能代表早古生代时期北中国板块与扬子板块之间西部界限的新认识；④根据加里东期蛇绿岩、花岗岩及俯冲杂岩带的新发现，初步建立了古碰撞造山格架；⑤提出高原隆升的&地幔底辟和内向陆内俯冲&的新假设。

In this paper, the 3DMove fracture prediction technique is used to predict the distributions and azimuths of fractures in two sets of strata at the top of Archaean Group and Paleozoic Group, and the stretch degree of fracture is analyzed in terms of stress field.

本文应用3DMove构造正反演裂缝预测技术预测古生界潜山顶和太古界顶两套地层的裂缝分布和方位，并从应力场的角度对裂缝的开启性作出分析。

The structural evolution of Tarim basin can be divided into two major periods, the Paleozoic craton basin evolution and the Mesozoic-Cenozoic foreland basin evolution.

塔里木盆地的构造演化总体可以划分为两大阶段，即古生代克拉通盆地演化阶段和中、新生代前陆盆地演化阶段。

Tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers.

一种高大的古生代树木，外表与现代的露兜树相似；结构上介于苏铁和针叶树之间。

During the Neoproterozoic to the Early Paleozoic, the South China was a marginal basin captured by the Yangtze active continental margin, filled with very thick flysch, sandstone, and shale sediments.

华南新元古代到早古生代是扬子活动大陆边缘构造&捕获&的一个边缘海盆地，其间充填了巨厚的复理石、砂、页岩沉积。

Heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic .

有背鳍和头冠、体重的爬行动物；产于晚古生代。

The forming of kyanite sequence was probably related to an arc-continent collision event during the late Paleozoic, and the andalusite sequence may result from uplifting of the medium-pressure rocks and extensive intrusions of the collision-related granites.

早期中压型变质序列保留可能是离后期热源较远，从而出现完整的中压型变质序列；由于后期低压型变质速度快，从而保留了早期中压型的特点，同时又有后期红柱石型的特点，呈现出低压型与中压型变质混合存在的现象，或表现出向低压型变质转变的趋势。

The exploration precision of petroleum system with the source rock as Tertiary should be improved,and also more attentions must be paid to the otherpetroleum system with the source rock as Mesozoic,Paleozoic and Mid-Upper Proterozoic.

以第三系为烃源岩的含油气层系的勘探精度仍有待于进一步提高，同时必须将以古生界、中生界和中上元古界为烃源岩的含油气层系作为今后挖潜的重要领域。

In the convergent processes of Pangia in Late Paleozoic, Tarim massif, Kazakhstan-Yili plate, Siberia plate, North China plate all amalgamated in Paleo-Asiatic tectonic domain.

在晚古生代Pangia的聚合过程中，塔里木地块和哈萨克斯坦-伊犁板块、西伯利亚板块、华北板块等在古亚洲构造域的造山过程中拼合在一起。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。