地质的

The theories of mineralization system, geochemistry, submarine hydrothermal fluids eruption deposit lithogenesis and mineralization were used to study the characters of geology and typical deposits of Erlangping Group in East Qinling Orogenic Belt and the raltion between them was dicussed in the thesis.

运用成矿系统、造山带地球化学和海底热液喷流沉积成岩成矿等理论方法，对东秦岭二郎坪群地质特征和典型矿床进行了研究，进而探讨了二者之间的关系。

Accurate short-term predictions of quakes are indeed "very difficult," said Lucile Jones, a seismologist at the US Geological Survey, in a recent interview with Xinhua.

美国地质勘探局地震学家露西尔·琼斯接受新华社记者专访时说，地震短期临震预报非常困难，精确预测地震的震级和时间仍是世界性难题。

The geological age of the Maba man could date back to the late stage of Middle Pleistocene or the early stage of Late Pleistocene, according to the symbiotic fauna.

马坝人的地质年代，据共生动物群判断为更新世中期之末或晚期之初。

According the Sr - Nd isotopic and trace element characteristics and field observation, the mafic dikes are not affected by crustal material during emplacement.

根据Sr、Nd同位素、微量元素研究及野外地质观察，本区基性岩脉的岩浆在上升侵位过程中未发生地壳物质混染。

In order to prevent radioactive wastes from entering into the biosphere, which will harm human life and health, since 1980〓, mank...

为了防止核废料进入生物圈危害人类健康，自80年代以来，人们对核废物的地质处置产生了极大兴趣。

Gize A P%Manning D A C Aspects of the organic geochemistry and petrology of metalliferous ores New York:Plenum Press , 1993,null

庄汉平 与有机质有成因联系的金属矿床地质地球化学， 1996，(4)涂光炽中国层控矿床地球化学北京：科学出版社， 1988，null

In this paper, the basic characteristics of five metallogenic series are studied, and then, an discussion on regional metallogeny and mineralization model is made.

根据成矿主导地质作用，把该区金属矿床划分为5个矿床成矿系列，论述了各成矿系列的基本特征，并讨论了区域成矿规律和成矿模

Characteristics of the extension-detachment structure in the district of Xiaoshan and its relationship with metallogeny have been illuminated.

文章以碰撞造山后伸展滑脱作用及其成矿理论为指导，根据地质、地球物理、遥感等成果资料，重点阐述了崤山地区拆离滑脱构造特征及其与金矿的关系。

On the basis of whole grain evaporation age on single zircons using a double filament for different genetic zircons in metalassenite and metarhyolite of Luoyu formation,Yunkai group,the formation age of volcanic rock is 922 Ma;later geologic events is 643 Ma￣716 Ma or 427 Ma￣473 Ma...

本文采用颗粒锆石分层蒸发法分别对云开群罗罅组变英安岩及变流纹岩中不同成因锆石进行年龄测定，获得该火山岩之形成年龄为922Ma，940Ma；后期地质事件年龄为643Ma～716Ma，427Ma～473Ma及物源区的年龄为1616Ma，2084Ma。

Detailed geology- petrology-mineralogy study shows that late Triassic-early Jurassic granites can be divided into 4 groups: granodiorites, monzonitic-K syenogranites mainly, alkali feldspar-alkali granites and syenite, Middle Jurassic granites is composed of quartz diorites-granodiorites and monzonitic granites, the main rock type includes granodiorites and monzogranites; Early Cretaceous granites include alkali gabbro, alkali granites and granodiorites, and these rocks composed bimodal igneous rock group.

详细的地质-岩石矿物学研究表明，晚三叠-早侏罗世花岗岩可以划分成四种岩石组合，即花岗闪长岩组合、二长花岗岩—正长花岗岩组合、碱长花岗岩—碱性花岗岩组合和正长岩组合，其中以二长花岗岩—正长花岗岩组合为主；中侏罗世花岗岩由石英闪长岩-花岗闪长岩组合和二长花岗岩组合构成，岩石类型以花岗闪长岩和二长花岗岩为主；早白垩世出现了碱性辉长岩、碱性花岗岩和花岗闪长岩，构成双峰式火成岩组合。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。