查询词典 Mesozoic

Based on the theory of sequence stratigraphy and sedimentology, the characteristics of sequence stratigraphy and sedimentary facies of Mesozoic in northern Bonaparte Basin are studied.

在北波拿巴盆地北部地区，针对该区域的地质特征重点分析了中生界的层序地层和沉积相特征。

The metasomatic enrichments of Mesozoic mantles in the coastal Southeast China were inferred mainly by geochemical deduction, but reliable geologic evidence is lacking.

以往主要依据地球化学证据推断东南沿海中生代存在地幔富集作用，但缺乏可靠的地质学证据。

Large_scale metallic mineralisation took place in East China during Mesozoic, especially in the Yanshanian period (180～80 Ma), which formed a great number of important mineral deposits.

中国东部在中生代尤其是燕山期发生了大规模的金属成矿作用，形成了一大批重要矿床，其成矿强度之高、密度之大、矿种之丰富，在全球中生代成矿作用中首屈一指，故可称为中生代成矿大爆发。

Southeast Asia ,being a part of the Circum－ Pacific tectono－ magmatic belt,is one of the most complex tectonically active regions since the Mesozoic.

东南亚地区地处西太平洋构造－岩浆活动带上，是中新生代以来地球岩石圈中最复杂的构造活动区之一，也是全球浅成低温热液金矿床的重要产区之一。

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。

The REE distribu- tion curves of Archaeozoic metamorphic rocks,Proterozoic granite,Tertiary basalt, Mesozoic granite,granite-porphyry,rhyolite,tuff,and gold ores are of right inclinnation, which indicates they enrich LREE and have completely similar Ce negative anomaly.

研究表明：太古代变质岩、元古代花岗岩、中生代花岗岩及花岗斑岩、流纹岩和凝灰岩、第三纪玄武岩及金矿石的稀土配分曲线均为右倾斜型，即富轻稀土，都有十分相似的 Ce 负异常。

In addition, the activities of Tan-lu fault (two times of left-lateral strike-slip in Mesozoic, extension from later Jurassic to Eogene and thrusting during Neogene) have an important influence on basin type, tectonic framework, sequence-filling succession, and formation of different types of tectonic belts in Hefei basin during Mes-Cenozoic.

郯庐断裂中生代的两次左旋走滑、晚白垩-古近纪时期的伸展运动及新近纪以来的逆冲活动对合肥盆地中新生代的盆地类型、构造格架、沉积充填序列以及不同类型构造带的形成等均具有重要的影响和控制作用。

The second great era after the Precambrian is called Mesozoic era which extends from 230 million to 65 million years ago.

前寒武之后第二个大的代是中生代，它从距今2.3亿年一直延续到距今6500万年，这个时期是恐龙的时代。

The tectogenesis and magmatism and the relevant gold mineralization in the Yishu fa ult system in the Mesozoic period are closely relevant to the coaction of the Eurasia Plate and the Izanagi Plate.

沂沭断裂系及其邻区中生代构造岩浆活动与其相应金矿的形成均是与古太平洋各板块与欧亚大陆板块间的相互作用的结果。

West Liaoning of out country is a typical area for the study of the Jehol Biota ,where the fossil treasure-house of Mesozoic Era is rare in the world .

热河生物群是指距今一亿多年的白垩纪早期在我国北方、蒙古、西伯利亚、以及朝鲜和日本等地生活的古老生物群。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐