查询词典 Paleozoic

Organic matter, pH, cation exchange capacity and contents of potassium, sodium, magnesium, copper, zinc, manganese, cobalt, iron, selenium, iodin and fluorin were determined of rock and soil samples from six main geological background areas within the main ruminant production base, in Yunnan Province, China. Results showed: 1 the red earth area of Paleozoic basalt and red earth area of carbonate the highest; the yellow-red earth area of mixture of carbonate, clasolite and basalt follows, except for its content of Co, which is relatively lower; and the purple earth area of Mesozoic clasolite, the yellow-red earth area of clasolite and the dark red earth area of Precambrian metamorphite are the lowest

对云南省反刍动物生产基地所属的6个主要地质背景区的土壤和岩石样品的K、Na、Mg、Cu、Zn、Mn、Co、Fe、Se、I和F元素及土壤的有机质、阳离子交换量和pH进行测定分析，结果表明：晚古生代玄武岩红壤区和碳酸岩盐红壤区土壤各种矿质元素都比较高，有机质含量与CEC都较高，特别是Ⅴ区最为显著；碳酸岩盐、碎屑岩和玄武岩混合型黄红壤区除了Co含量较低外，其他元素含量都居中等或偏上水平，有机质含量与CEC仅次于第1类背景区；碎屑岩紫色土区、变质岩赤红壤区和碎屑岩黄红壤区大多数矿质养分相对都比较低，有机质含量与CEC最低。

In order to look for new prospecting replacing territory ,this paper researched systematically the hydrocarbon source rock condition, reservoir rock condition, cover condition, trap type, natural gas migratory-concentration procession and conservation condition, etc., to analyze overall the natural gas enriching and forming reservoir conditions of the Paleozoic in southeastern Ordos Basin, discussed its natural gas prospecting foreground, pointed out the beneficial prospecting targets and put forward concrete prospecting strategy.

目前，鄂尔多斯盆地中北部已发现多个天然气田，为寻找新的勘探接替区域，从储集条件、烃源岩条件、封盖条件、圈闭类型、天然气运聚成藏过程和保存条件等方面入手，对鄂尔多斯盆地东南部古生界天然气的富集与成藏条件进行了全面分析，探讨了其天然气勘探前景，指出了有利勘探目标，并提出了具体的勘探部署意见。

In upper Paleozoic source rock from Santanghu Basin, both of the vitrinite reflectance enhancement and suppression can be observed.

在三塘湖盆地上古生界烃源岩中，可以观察到镜质组反射率的局部增强和镜质组反射率的抑制。

Based on study of Paleozoic carbonate reservoir rock in the Tarim Basin ,it is discussed in this paper reservoir rock type,reservoir room type,reservoir capacity and carbonate rock diagenesis.

通过对塔里木盆地古生代碳酸盐岩储集岩的勘探和研究，较系统地阐述了储集岩类型、储集空间类型、储集性能以及碳酸盐岩成岩作用等，并进行了评价。

These analysis show that southern Tianshan uplift and erosion extensively from Tertiary, as a result of which the provenance of blue schist in Paleozoic accretion from north margin of south Tianshan has been curtained. With deeply erosion of Tianshan, more and more high-grade metamorphic and igneous rocks are exposed.

由此可以认为南天山的大规模隆升和剥蚀发生在第三纪以来，由于它的隆升遮挡了南天山北缘古生代增生杂岩体对库车坳陷的物质贡献，并且随着剥蚀的加深，高级变质岩和火成岩的出露越来越多。

, 5. 0±0.4 ‰. They are different obviously from those of fossil brachiopods in other paleozoic periods and modern shells.

因此无论是δ〓O，还是δ〓C都与古生代其它地质时期以及现代腕足生物壳体存在很大差别，表明地质历史时期碳酸盐岩的原始氧、碳同位素组成并不是稳定不变的。

Upper Plate rocks consist of a variety of lithologies varying from Paleozoic to Tertiary in age and are locally highly faulted and tectonically juxtaposed.

上层板块岩石由各种不同岩性从古生代到高等教育在年龄和当地高度构造断陷和并列。

Paleozoic stratum can be separated east and west stratigraphical areas, according to lithological character and palaeontological information, contacted relationships and diversification of stratigraphical units in horizontal and vertical etc. The stratums in west area can be divided Devonian-Carboniferous Nanduan formation and Permian Laba formation, which is passive continental margin-bathyal depositional sequences comprised argillaceous and detrital rocks, small siliceous and carbonatite in upper. The stratums in east area can be divided lower-middle Devonian Wenquan formation and middle-upper Devonian Manxin formation, upper Devonian-lower Carboniferous Pingzhang formation, Carboniferous-Permian Yutangzhai formation, middle Permian Damingshan formation, upper Permian Shifodong formation respectively, moreover, middle-upper Permian Huoju formation is exposed in Menglian area.

根据地层的岩石组合、古生物、接触关系和地层单位的纵横向变化等特征，晚古生代的地层明显的可分为东、西两个地层小区：东部地层小区从下至上可划为泥盆—石炭系南段组、二叠系拉巴组，为一套泥质岩、碎屑岩，上部夹硅质岩、碳酸盐岩建造，属被动大陆边缘斜坡—半深海沉积；西部地层小区由下至上划分为下—中泥盆统温泉组、中—上泥盆统曼信组、上泥盆—下石炭统平掌组、石炭—二叠系鱼塘寨组、中二叠统大名山组、上二叠统石佛洞组，此外，在孟连一带尚出露中—上二叠统火居组。

The Late Paleozoic volcanic rocks (from Early Devonian to Early Permian) were widely distributed in the south margin of the Altai Mountains.

阿尔泰山南缘晚古生代火山岩十分发育，从早泥盆世到早二叠世均有发育。

The study of balanced cross section indicates that its structure has the characteristics of a composite superposition basin. Its double basements are Archaeozoic and Lower Proterozoic crystalline basement and Paleozoic cratonic basin sedimentary rocks. The infill of the sag mainly includes Mesozoic and Cenozoic systems.

平衡剖面研究成果表明其具有复合叠加盆地结构，太古界—早元古界结晶基底和古生界克拉通盆地沉积构成盆地的双层基底，中、新生界是盆地的主要沉积盖层。

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。