岩浆活动

中国东部地区新生代岩浆活动对区域性CO2形成时间的制约

Constraints on formation time of co_2 from Cenozoic magmatism in eastern China

各种扩张速率下的洋中脊被转换断层和非转换断层分成许多段（长10到100km不等），而且这种岩浆活动和构造的分段特性在大西洋中脊表现特别明显。

The mid-oceanic ridges with different spreading velocities are segmented into 10 to 100 km long by transform faults and non-transform faults . This segmentation of magmatism and structure appears evidently in the Atlantic mid-oceanic ridge .

中温热液硫化物期（B）的成矿流体以高温和中等盐度为开端，来源于一次新的岩浆活动。

The mineralization fluid of stage B begins with high temperature and moderate salinity , derived from a new magmatic activity .

断裂及岩浆活动对幔源CO2气成藏的作用&以济阳坳陷为例

Fault and Magmatic Activity as Control of Mantle Source CO_2 Gas Accumulation : A Case Study of Jiyang Depression

有利于形成CO2气藏的大地构造环境是地幔隆起和超壳断裂岩浆活动带。

The tectonic environments favorable to CO 2 accumulation are mantle bulges and crustal faulting_magmatic activities .

本文系统讨论了研究区岩浆活动对有机质成熟怍用的影响。首先确定由于岩浆侵入和喷发的热力作用，在二次成烃期有机质成熟度R（？）

On the basis of the data from the area studied , this paper discusses the effect of magma on the maturation of organic material systematically .

上新世是本区最主要的非烃类气体的成藏期。在岩浆活动以前形成并与气源断裂直接连通的构造为CO2气聚集的有利圈闭。

The structures that formed prior to magmatic activities and are connected with gas_source faults may be traps favorable to CO 2 accumulation .

地幔脱气形成的CO2，其运移成藏过程与深大断裂、地球内部的压力释放和岩浆活动密切相关；

The migration and accumulation of CO_2 that is degassed by mantle have close relation with deep-and-large faults , pressure release in the inner part of the earth and magnetic activities .

Te、Se主要富集在与碱性岩浆活动有关的金矿中，Cd主要富集在火山热液型金矿和古老结晶基底内的糜棱岩型金矿中，而Tl则在卡林型金矿中富集。

Te and Se are enriched in those deposits which relate with alkali-magma activities , Cd in those deposits which occur in crystalline basement mylonite , and Tl in Carlin-type gold deposits .

伊春前进地区地处伊春延寿成矿带中部，区内Mo、Cu、Pb、Zn、Ag等多金属矿产资源丰富，且成矿与岩浆活动关系密切。

The Qianjin magmatite in the Yichun area is located in the central part of the Yichun-Yanshou metallogenic belt which is rich in polymetallic mineral resources of Mo , Cu , Pb , Zn , Ag .

在对CO2气来源定性分析的基础上，还需要在各来源的定量区分和CO2气藏的成藏及其与岩浆活动的时空匹配关系等方面作进一步的研究。

Besides the qualitative analysis of the CO_2 source , many other research works , such as the quantitative analysis of CO_2 sources , the forming process of CO_2 gas pools and its relationship to the magmatic activities , should be further undertaken .

CO2NaClH2O流体包裹体的拉曼光谱分析表明流体的主要成分是CO2和H2O，未测试出烃类物质，这与成矿流体属于深源流体、与岩浆活动有关相吻合；

The laser Raman test shows that the main compositions of CO_2-NaCl-H_2O fluid inclusions are CO_2 and H_2O , with no hydrocarbon detected , which is consistent with characteristics of the fluid derived from the mantle and related to magmatism .

成矿作用均伴随有强烈的构造&岩浆活动，成矿时代多集中在260～120Ma。

All of mineralization are related to structural deformation magmatic activity . Metallogenic epoch principally concentrates in 260 & 120 Ma .

通过详细的地质填图和年代学研究，确定昆秦接合部存在志留-泥盆纪岩浆活动，采用单颗粒锆石U-Pb定年方法测定侵入岩的形成时代为382～423Ma，即志留-泥盆纪。

Silurian-Devonian magmatic activity was discovered in the copulae of the Kunlun-Qinling mountains by detailed mapping and chronology analysis . Single grain zircon U-Pb dating yielded formation dates of 382-423 Ma in the intrusive rocks , which is Silurian-Devonian .

锆石的U-Pb年龄集中分布于1500～1900Ma、700～900Ma、200～400Ma，与扬子地块、南秦岭的岩浆活动相一致。

The U-Pb ages of zircon concentrate in 1500 ~ 1900Ma , 700 ~ 900Ma 、 200 ~ 400Ma , consistent with magmatism activities in Yangtze block and southern Qinling .

研究结果表明：矿床的空间定位受晚古生代向斜盆地及其中的层间断裂带（F1F3）与北东向、东西向断裂交切复合部位及燕山期岩浆活动中心引起的环形构造联合控制；

The results of studies suggest the location of uranium deposits is jointly controlled by Late Palaeozoic synclinal basin , the intersection parts of interformational faults ( F1 , F3 ) in the basin with NE and EW trending faults and circular structures caused by Yanshanian magmatic activity centers .

锆石ELA-ICP-MS定年结果表明其形成年龄为237.5±4.8Ma，属印支期岩浆活动的产物。

Zircon ELA-ICP-MS dating for this pluton yields a 237 . 5 ± 4 . 8 Ma age which indicates that it is the product of Indosinian magmatism .

文中主要从岩浆活动与构造变形两个途径，通过（1）燕山带造山幕和结构要素组合以及造山过程的p-T-t轨迹；

To assess them , on the basis of both magmatism and tectonic deformation , we have considered the following : ( 1 ) structural elements , orogenic episodes , and the P-T-t path of orogenic processes in Yanshan belt ;

三水盆地中、新生代岩浆活动频繁。

Magma activity occurred in Mesozoic and Cenozoic in Sanshui basin .

新生代黄骅坳陷构造伸展、沉积作用和岩浆活动

Tectonic extension , sedimentation and magmatism of the Cenozoic Huanghua Depression

滇黔桂金三角区岩浆活动与金矿成矿的关系

Relationship between magmatism and mineralization of gold deposits in Yunnan-Guizhou-Guangxi area

成矿与岩浆活动时空及成因关系密切。

There is a closely temporal-spital-genetic relationship between mineralization and magmatism .

太行山带晚中生代岩浆活动及其构造含义

Late Mesozoic magmatism in the Taihang belt and Its Tectonic Implication

冀北印支期碱性岩浆活动及其地球动力学意义

Indosinian Alkaline Magmatism in North Hebei Province and Its Geodynamic Significance

金成矿作用与岩浆活动有关；

The gold metallogenesis is related to the magmatic activities .

成矿作用主要与中侏罗世&晚侏罗世的花岗质岩浆活动相关。

Mineralization is mainly related to Mid-Late Jurassic granitic magmatism .

区内中生代岩浆活动与成矿作用强烈。

There occur Mesozoic intensive magmatic activity and mineralization in the area .

岩浆活动旋回与地球多层对流系统

Cycles of magmatic activities and multi layered convection system of the earth

板内岩浆活动；

Intraplate magmatism ( oceanic , island , and continent );

以垂直形变资料反演腾冲火山区岩浆活动性的初步研究

Vertical Deformation Inversion of Magma Activity in Tengchong Volcanic Area