岩石学的

Petrological and mineralogical examinations of core material can be used to identify hydrothermal alterations.

岩芯的岩石学和矿物学研究也能用来鉴定水热蚀变。

This paper deals with the new advances made in recent years in the study of mineralogy, petrology, geochemistry and metallogenesis of the Bayan Obo ore deposit.

本文论述了近年来白云鄂博矿区在旷物学、岩石学、地球化学和矿床成因研究方面的进展。

The granite body in the Jiangjunzhai tungsten deposit is a compound rockmass, which has the features of crust-derived type granite and is the product of comagmatic evolution.

岩石学和岩石地球化学研究表明，将军寨钨矿花岗岩体为一复式岩体，是同源岩浆演化的产物，具有壳源花岗岩的特征。

On the basis of the information obtained through field geological survey and indoor integrated petrological and petrochemical studies, it has been found that there is a clear and sharp pulsatory intrusive contact between various rock units of the rock body and a number of dark dioritic microinclusions are present. The rocks are characterized by a relatively low total REE content, relative enrichment in K, Rb, Ba and Th and relative depletion in Cr, Ti, Nb, Sr and P.

根据野外地质调查资料和室内的岩石学、岩石化学等特征的综合研究成果，发现该岩体各单元之间呈脉动式侵入接触，接触界线清晰，且含有较多暗色闪长质微粒包体；稀土总量较低，K、Rb、Ba、Th元素相对富集，Cr、Ti、Nb、 Sr、Zr、P元素相对亏损。

Petrology, petrological chemistry and trace element characteristics of lamprophyre in the Denggezhuang and Jinqingding mining areas of Jiaodong shows that it belongs to barkevikite-plagioclase lamprophyric series, derived from the upper mantle.

胶东邓格庄和金青顶金矿区煌斑岩的岩石学、岩石化学和微量元素特征显示其为碱性煌斑岩类的棕闪斜煌斑岩，起源于上地幔。

By using micrographic quantitative analysis and testing research of the bursting potential in coal measures rocks,the correlations of lithological characters of clastic rock and its macro mechanical properties and bursting potential are established.

本文通过煤系岩石显微定量分析和冲击倾向性试验研究，建立了碎屑岩的岩石学特征与其宏观力学性质和冲击倾向性之间的相关关系。

Because of having some relationship with the bulk feature of inclusions, the rock features of this meteorite in petrology, petrologic chemistry, and meteorite matrix chemical compositions wre also studied.

宁强陨石全岩的特征（岩石学、岩石化学以及陨石基质的化学成份特征）由于与难熔包体总体特征有关也被给予研究。

Their lithologic types are dominated by vitric tuff vitric crystal tuff and medium-fine tuffy sandstone and their genetic types mainly belong to complicated type of the airborne-water-carried and the airborne type.

研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。研究结果表明：含煤地层中广泛发育火山事件层。火山事件层的岩石类型以玻屑凝灰岩、玻屑晶屑凝灰岩和凝灰质中细粒砂岩为主。

Based on the outcomes of archeological work over 80 years in China and taking the unearthed more than 200 thousand ancient jade carvings spreading all over the China in New Stone Age as the material evidences, whether China Jade Carving Age was existed or not and its creating precondition was systematically analyzed and researched from the views of archeology, history; geology; lithology, gemology, cultural relics and jade culture.

以中国八十多年来考古工作成果为切入点，以新石器时期遍布中华大地的文化遗址中已发掘出土的 2 0余万件古玉器为实物证据。从考古学、历史学、地质学、岩石学、古人类学、宝石学、文博学、玉文化诸方面的不同层面和角度，对在人类发展历史进程中中国玉器时代是否存在和产生的条件进行了综合科学的分析、判断及研究。

The petrological study and studies in element and isotopic geochemistry indicate that the pluton belongs to high-potassium calc-alkaline I-type granite, whose magma came from basic basalt in the thicken crust bottom by partial melting, and are of syn-collisional features. The pluton provides a direct petrological evidence of the plate collision and amalgalation.

岩石学、元素和同位素地球化学研究表明，岩体属于高钾钙碱性Ⅰ型花岗岩，岩浆来源于加厚地壳底部基性玄武质岩石的部分熔融作用，属同碰撞型花岗岩，是板块碰撞拼合的直接岩浆岩证据。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。