岩石化学

同位素测年（单颗粒锆石U-Pb）为296±31Ma。它们在岩石学、岩石化学、地球化学特征上具有明显的同源岩浆演化的特征。

They have the characteristics of homologous evolution on petrology , petrochemistry and geochemistry .

本文着重讨论硬玉钙霞正长岩的岩石学、矿物学、岩石化学、REE地球化学、时代及岩石成因。

This paper stresses the study on the petrology , mineralogy , petrochemistry , REE geochemistry , age and petrogenesis of the jadeite-cancrinite syenite .

基于BP网络的火成岩岩石化学分类研究

The BP Net Chemical Classification of Igneous Rocks

岩石化学、岩石地球化学等方面的资料表明，辉石橄榄岩、辉长岩具有低Al、贫Ca和富Na的特点，MgO/（MgO+FeO）比值为0.25，MgO含量偏低。

The data of rock chemistry and geochemistry indicate that the pyroxene - peridotites and gabbros have low Al , Ca and MgO but high Na .

扬子块体西缘新元古代双峰式火山岩的锆石U-Pb年龄和岩石化学特征

Zircon U-Pb age and petrochemical characteristics of the Neoproterozoic bimodal volcanics from western Yangtze block

由于多种原因，往往造成岩石化学全分析数据中部分FeO由于化验中处理而转变为Fe2O3，使岩石中原有铁的氧化态发生变化。

During the process of bulk petrochemical analysis , partial FeO is transformed into Fe_2O_3 resulting in the change of oxidation state of the primary iron .

岩石化学与地球化学表明，富含矿岩体的Na、K、Al、Ca、Fe等组分明显地高于平均地幔岩组分。

Evidence from geochemistry and petro chemistry indicates that the contents of Na , K , Al , Ca and Fe in ore bearing intrusions are apparently higher than those of the corresponding components in pyrolite averaged .

CO2的成因可以分为无机成因和有机成因两大类，无机成因的CO2主要为地幔脱气作用、岩石化学反应及碳酸盐岩受热分解形成的；

The origin of CO_2 Gas Reservoirs can be divided into two kinds : inorganic and organic . The former is generally formed by mantle degassing , chemical reaction of rock and carbonate thermal decomposition .

岩浆岩岩石化学Kelsey标准矿物值计算法及其软件

The Kelsey Computing Method for Standard Ore Value and It 's Software

本文论述了区内英云闪长岩的地质特征及岩石学、岩石化学、稀土元素特征和U-Pb同位素地质年龄。

In this paper the authors discuss their characteristics in terms of geology , petrology , petrochemistry , REE and U Pb isotopic age .

经岩石化学研究，组成该岩群的片麻岩具英云闪长岩-奥长花岗岩-花岗闪长岩（TTG岩系）组合特征。

Petrochemical studies show the gneiss has the combined characteristics of tonalite-diorite , trondhjemite and granodiorite ( TTG rock formation ) .

本文从SrNdPb、UPb同位素及岩石化学、稀土元素地球化学方面讨论了燕辽地区中生代火山岩的年代学特点、成因及形成的构造环境。

Based on the Sr-Nd-Pb and U-Pb isotopes , the petrochemistry and the rare earth element geochemistry , this paper discussed the chronological characteristics , the genesis and the tectonic environment of the Mesozoic volcanic rocks in the Yanshan-Liaoning region , northeastern China .

探讨南岭陆壳改造型花岗岩类岩体成岩方式及演化规律的一种方法&岩石化学NSF三角图解

A Method for Studying the Diagenetic Way and Evolutional Rule of the Granitic Bodies and Its Application to Continental Crust Transformation Type in Nanling Region & N.S.F Triangular Diagram of Petrochemistry

中国东部新生代火山岩K-Ar年龄与岩石化学研究表明，早第三纪（40&55Ma）均为拉斑与钙-碱性岩浆喷发，代表了弧后引张环境。

K-Ar dating of the Cenozoic volcanics from East China and their petrochemistry indi-cate that early Tertiary volcanism is represented mainly by the eruptions of tholeiitic and calc-alkaline magmas .

根据野外地质及室内岩相学、矿物成分和岩石化学的研究，从华南腹地厘定了一条重要的中生代NE向富碱侵入岩带&绍兴-恩平富碱侵入岩带。

On the basis of the studies of field geology , petrography , mineral compositions and petrochemistry , an important Mesozoic alkali rich intrusive rock zone , the Shaoxing Enping alkali rich intrusive rock zone , is ascertained in the hinterland of South China .

滦平球状闪长岩体具有特殊的地球化学性质，其中最显著的岩石化学特征表现为高度富Al2O3（21.58%～26.80%）而相对贫K2O（0.35%～1.87%）。

Luanping orbicular dioritic pluton has special geochemical characteristics with unusual enrichment in Al 2 O 3 ( 21.58 % ~ 26.80 % ) and relative poorness of K 2 O ( 0.35 % ~ 1.87 % ) .

中国东北和华北地区中新生代火山岩的岩石化学研究表明，中新生代火山作用的深部过程均为逆时针的pTt轨迹，表现为岩浆源区从逐渐上升到下降的过程。

The petrochemical researches on Mesozoic and Cenozoic volcanic rocks in eastern and northern China indicate that the deep processes of Mesozoic and Cenozoic volcanisms all are a counterclockwise pTt locus , which corresponds with the upward to downward drifts of magma sources .

利用岩石化学方法判别及ESCORT专家系统分析可知，独山岩体属于发育在秦岭洋洋壳上的岛弧火山岩，它为独玉的形成准备了物质条件。

It can be known by means of petrochemistry differentiation and ESCORT expert systematic analysis that the Dushan lithosome belongs to island are volcanic rock breeding on the oceanic lamella of Qinling Ocean , which gets the material conditions ready for the formation of Dushan jade .

我国东部新生代玄武岩岩石化学的一些探讨

Discussion on the petrochemistry of Cenozoic basaltic rocks in eastern China

江西省花岗岩类岩石化学成分的统计研究

Statistical research on the petrochemical composition of granitic rocks in Jiangxi

预测斑岩铜矿矿化岩体的若干岩石化学方法

Some petro-chemical methods to predict metallogenic host of porphyry copper deposits

黄骅盆地中新生代火山岩岩相及岩石化学特征

Petrographic and Petrochemical Characteristics of the Mesozoic-Cenozoic Volcanic Rocks in Huanghua Basin

深成型和火山型花岗岩岩石化学特征及其成因分析

Petrochemical Characteristics of plutonic and volcanic granites and their origins

GB/T14506.12-1993硅酸盐岩石化学分析方法离子选择性电极法测定氟量

Silicate rocks Determination of fluorine content Ion selective electrode method

花岗质断层岩的显微构造及其岩石化学特征

Some microstructures of the granitic fault rocks and their petrochemistry

岩石化学体现出由基→酸的变化规律；

Its petrochemistry is characterized with the variation from basic to acid .

中国东部新生代玄武岩类岩石化学的研究

Petrochemical study of the Cenozoic basaltic rocks in eastern China

斑岩型铜矿床地球化学勘查中岩石化学指标

Petrochemical indices in geochemical exploration of porphyry type copper deposits

华北三重构造层的沉积演变和岩石化学特征

The sedimentary evolution and petrochemical characteristics of three tectonic layers in North China

天然酸性火山玻璃的折射率与岩石化学成分的关系

The Relation Between the Refraction and Rock-Chemical Components for Natural Acidic Volcanic Glass