查询词典 Proterozoic

Their material mainly composed of Proterozoic under the almond-shaped silicified andesite or trachyte.

其物质成分主要属下元古界硅化杏仁状安山岩或粗面岩。

Strike-slipping shearing at the margin of Archean craton during late Archean to early Proterozoic.

区域普遍存在两期主要的金矿化，且与两期重要的构造一热事件有关。

In the geological time scale, there are five eras , the archeozoic which means "beginning life", the Proterozoic which means " fore life"

在地质年代表中共划分为5个代，太古代的意思是"生命的开始"。元古代意即"生命之前"

Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intruded, and are relatively barren of fossil s.

通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intrude d, and are relatively barren of fossils.

通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intruded , and are relatively barren of fossils.

通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

The Pb-Pb isochron of metamorphic argillite in Shuangqiaoshan Group is 1 490±68 Ma, while the Nd mode ages of Zhanggongshan Group, Shuangqiaoshan Group, Chenglang Group and Xiushui Group are 1.57 Ga, 1.89 Ga, 1.77 Ga, 1.60 Ga,respectively, less than 1.6-1.9 Ga, which suggest that they formed in Middle Proterozoic Subera.

研究结果还显示，双桥山群变质泥质岩的Pb-Pb等时线年龄为（1 490±68）Ma，而障公山群、双桥山群、程浪群和修水群的钕模式年龄分别为1.57 Ga、1.89Ga、1.77Ga和1.60 Ga，均分布在1.5～1.9 Ga之间，表明这些地层的形成年龄应小于1.9 Ga，是中—晚元古代的产物，同时表明扬子古陆南缘存在古元古代的基底。

The structure and evolution of the south tectonic melange are relative simple, and its basement, Middle Proterozoic metamorphosed diorite, is relative younger.

南部构造混杂岩带结构和演化相对较简单，其基底岩系相对年青，为中元古界角闪岩相变质的苦海杂岩。

Eclogite was found in the Proterozoic gneiss about 40 km northeast of the Dulan town, Qinghai Province.

在青海都兰北东40km野马滩一带元古宙变质杂岩中，新发现走向近东西的榴辉岩；可分为南北两带，北带宽约5km，南带宽3～5km。

Songshan World Geological Park has a total area of 464square kilometers. In the park, aggradation and structure, such as magmatic rock, metamorphic rock and sedimentary rock of the 5periods of geologic history, namely 二 Archean Eon, Proterozoic Eon, Paleozoic, Mesozoic and Cenozoic, continuously and completely crop out, relics of angular discordance interface and structural feature fwature by 3 global Precambrian orogeny and epeirogeny respectively called SongYang motion, Zhongyue motion and Shaolin motion taking place 25billion years,1.8billion years and 546million years ago. This park is called by geologists as" natural geology museum ,of" five generations under one roof .

嵩山世界地质公园总面积 464 平方千米，公园内连续完整地出露着太古宙、元古宙、古生代、中生代、新生代五个地质历史时期的岩浆岩、变质岩、沉积岩等沉积和构造，清晰地保存着发生在距今 25 亿年、 18 亿年、 5.46 亿年前被分别命名为嵩阳运动、中岳运动和少林运动的三次全球性前寒武纪造山、造陆运动所形成的角度不整合界面及构造形态遗迹，被地质学家称为"五世同堂"的"天然地质博物馆"。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。