查询词典 Paleozoic

The confirmation of OIB suggests that Altun area existed paleo-oceanic basin in early Paleozoic, which therefore supports the existence of Hongliugou ophiolite and also implying a mantle plume activity at that time.

OIB的确定说明早古生代初，区内存在古洋盆，从另一个侧面证实红柳沟蛇绿岩的存在，也暗示当时就可能出现地幔热柱活动印记。

During end_Proterozoic and early Early Paleozoic, the northern row extended into archipelagic oceans, which closed by the end of Caledonian stage and formed foreland basins along the northern margin of the microplates.

元古代末至早古生代早期，北列拉张成多岛小洋盆，它们在加里东末期关闭，并在微板块群北缘形成前陆盆地带。

E. , the middle Devonian sedimentary event, which sedimented a suite of epicontinental -coasta1 paraf1ysch formation (the litholcgy was consisted of low fractoin feldspare sandstone and siltstone, and a layer of argilliferous limestone); secondly, the late Variscan magmatic-tectonic event , three biotite diorite batholiths ( previous K-Ar model isotope age was about 220～260Ma and our two -stage common lead isotope age was 260+ 70Ma) and a large number of fracture-controlled quartz diorite veins intrude, and a series of NS distributed tightly complex folds and fractures were developed; thirdly, the late Paleozoic very 1ow grade metamorphism- deformation event, the chlorite-illite crystallinity indices (Δ°2θ) XRD measurements were about 0.25～0.29, which was correlated to the lower part of the anchimetamorphism, and the extremely dense schists were developed throughout the district outcrops

相当于近变质带的下部，并形成切穿矿区几乎所有主要地质体的窃集片理，这与有限相系浅变质碎屑岩的基本宏观地质特征相吻合

Within the belt ,the mid-late Proterozoic green-schists were ovethrust from south to north onto the late Paleozoic granitic batholith at a low angle.

中晚元古代浅变质的绿片岩系自南向北以低角度辗掩于晚古生代花岗岩基之上。

The disintergration of the Tekesi Daban batholith provides important constraints on the magmatic evolution of the Paleozoic granitic magmas and the related ore formation.

且具有不同的成矿专属性，并在新解体出的早石炭世浅成斑岩-玢岩组合中发现了良好的钼矿体，因而具有重要的研究和找矿意义。1区域地质概况特克斯达坂一带属

Chiefly Paleozoic plants; Cordaites is the chief and typical genus.

古代植物的主要科；柯达属是一个主要的模式属。

Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.

分布于欧洲和加拿大东部的古生代简单的二岐式植物，包含最古老的脉管陆地植物。

Because the main territorial cap rock which could block off hydrocarbon migration in another side of fault in Paleozoic stratum is huge thick mudstone in upper mbr of Shangshihezi group and Shiqianfeng group, this make only backward fault to dip direction can block to form fault-block trap in the reservoir stratum of carbonatite eluvial horizon in Ordovician and thick sandstone in Permian .

古生界具有侧向封堵条件的区域性盖层主要是上石盒子组上段—石千峰组大套泥岩，这决定了断块区奥陶系碳酸盐岩风化淋滤带及二叠系大套砂岩储层在反向断层遮挡下能形成断块圈闭。

Beiqinling is between Shangdan Fault and Baoji-Luonan-Luanchuan Fault, it have own particularities in structure, geochemistry, physical geography and stratigraphy, on the stand of tectonic, it's the real division between north China and south China, and the key region to study the evolution of Qinling erogenic belt during later Paleozoic-early Mesozoic.

北秦岭构造带夹持在宝鸡—洛南—栾川断裂带和商丹断裂带之间，其组成及结构构造既不象其北侧的华北板块南缘构造带那样与华北板块相似，也不象其南侧的南秦岭构造带那样与扬子板块相似，在地层、构造、地球化学和地球物理各方面均具有独特性，从大地构造意义上说，它才是中国大陆南北之间的真正分界带，也是解析秦岭晚古生代一早中生代演化的关键区段。

Chagan sag is a secondary tectonic unit in Chagandelesu Depression, northeastern Yingen-Ejinaqi basin, and the basement of the basin is a Paleozoic fold belt of continental margin or island arc at the connection region of North China plate* Tarim plate and Kazakstan plate, with the character of erogenic belt.

查干凹陷属于银根—额济纳旗盆地东北端查干德勒苏坳陷内的一个次级构造单元，其盆地基底为古生代时期华北板块、哈萨克斯坦板块和塔里木板块交接部位形成的陆缘或岛弧褶皱带，具有古生代造山带的性质。

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。