燕山期

大别造山带核部典型燕山期花岗岩岩浆演化的p-T轨迹

P-T path of magma evolution of typical Yanshanian granites in the core of Dabie orogenic belt

以上这些新资料说明该区可能存在元古代基底的信息，且燕山期岩浆活动对本区成矿具有重要意义。

The above new data give the information of the possible existence of Proterozoic basement in this district , and Yanshanian magmatism is of great significance for mineralization in the district .

C型埃达克岩对解释中国东部燕山期许多地质现象是有启发的。

The occurrence of C type adakites in eastern China is indicative to the explanation of the geological phenomenon of Yanshanian magmatism .

对采自我国南方燕山期五里亭花岗岩体中的褐帘石，经偏光显徽镜、电子探针仪、差热仪、X射线等方法进行分析得出，该矿物为变生褐帘石。

The metamict allanite from South China is studied by using microscopy , DTA and X-ray powder analyses .

东蒙地区燕山期花岗岩Nd、Sr、Pb同位素及其岩石成因

Nd , Sr and Pb isotope geochemistry of Yanshanian granitoids in eastern Inner Mongolia and their origins

而沿赣东北断裂带形成了该区重要的燕山期构造岩浆带及Cu、Au、Ag、Pb、Zn及金刚石等成矿带。

Yanshan stage tectonic magma belt and Cu 、 Au 、 Ag 、 Pb 、 Zn 、 diamond etc. minerogenetic belt formed along northeast Jiangxi fault .

锆石U－Pb定年结果表明，在大别杂岩内存在燕山期的混合岩化作用，其时代为（129.3.8）Ma。

The zircon U-Pb age suggests that there was a migmatization during the Yanshan Period , which may represent an important anatexis at the age ,( 129.3 ± 0.8 ) Ma .

采用岩石声发射实验和ESR测年技术分析，结合地震资料解释确定了烃源断层的形成时期主要为燕山期。

The formation period ( Yanshan Age ) was determined by analyzing AE ( acoustic emission ), ESR ( electron spin resonance dating ) and seismic data .

沂南金矿床一个典型的Au、Cu、Fe矽卡岩型矿床，矿体主要产于燕山期中酸性-酸性杂岩体的接触带及其外侧的新元古界-寒武系围岩中。

The Yinan gold deposit is a typical Au-Cu-Fe skarn deposit . The deposit occurs at the contact zone between the intermediate-acidic complexes of the Yanshanian and their wall rocks of the Neoproterozoic to Cambrian .

进入燕山期，随着桂东南逆冲推覆构造前缘不断地向NW方向扩展，侏罗纪&白垩纪时期的前陆盆地也不断地向NW方向迁移。

In the Yanshanian period , with continuous NW-directed propagation of the front of the southeastern Guangxi thrust nappe structure , the Jurassic-Cretaceous foreland basin also migrated continuously in a NW direction .

邯邢地区燕山期侵入岩系的侵入活动发生在109～171Ma之间。

The igneous activity of Yanshan stage in Han-Xing district occurred during 109 ~ 171Ma .

断层岩中石英脉ESR（电子自旋共振）定年显示，断裂在燕山期（156.9～136.2Ma，119.8～90.6Ma）热流体活动强烈；

The ESR ( Electron Spin Resonance ) dating from the quartz veins in the fault rocks shows that the fault belt underwent an intense fluid movement stage at Yanshanian ( 156.9 ~ 136.2 Ma , 119.8 ~ 90.6 Ma );

中国东部在燕山期发生了岩石圈＿软流圈系统（LAS）大灾变事件，并识别出被扰动的LAS的两种类型，即在挤压造山环境下的岩石圈巨大减薄与巨大增厚作用；

This paper points out that catastrophe of the lithosphere_asthenosphere system ( LAS ) took place in East China during the Yanshanian movement . Two types of the Yanshanian disturbed LAS and metallogenesis in East China are recognized , viz .

在研究区，当燕山期煤的叠加变质作用施加在低于Ro，m＝0.95%的煤级时，二次生烃过程将更有利于煤层气的形成、富集和保存。

In the study area , the secondary hydrocarbon generation would be more beneficial to formation , accumulation and conservation of coalbed methane when the superimposed metamorphism of the Yanshan Period exerts the coals under the rank of 0.95 % R o , m .

控制金矿分布的是古生代近EW向和燕山期NE向构造带，主要为继承早期地体拼贴边界的长寿断裂。金矿集中区位于长寿断裂的交汇部位。

Arrangement of the gold deposits is mainly controlled by EW ( Palaeozoic ) and NE ( Yanshanian ) tectonic belts which are generally the long lived inheritable fractures at boundaries of montaged terranes and gold ore deposits are concentrated at intersection of the long lived fractures .

大别山燕山期HREE和Y强烈亏损的花岗岩由增厚（>40km）的下地壳物质熔融形成，其热源可能是同期底侵的镁铁质一超镁铁质岩浆。

The HREE and Y-depleted granites in the Dabie Mountains were most probably produced by partial melting of lower mafic rocks in the thickened crust ( > 40km ) due to the underplating mafic magmas heating the lower crust .

通过深源浅成型花岗岩的特征、形成机制和成矿特点的研究，发现成矿多与中生代燕山期（170～100Ma）的深源浅成型花岗岩类有关，并生成一系列斑岩爆破角砾岩型矿床。

The mineralizations here are mostly related to the Yanshanian deep_ hypabyssal granitoids ( 170 ~ 100 Ma ), forming a series of deposits of porphyry type and explosion_breccia type .

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 .

燕山期（208～135Ma），NW-SE向缩短，大陆地块逆时针旋转20°～30°，东部形成高地，西部为低地；

In the Yanshanian stage ( 208-135 Ma ), there was NW-SE trending shortening and the counterclockwise rotation in 20 ° - 30 ° occurred , highland mainly in the east and lowland in the west ;

这为燕山期成矿作用奠定了部分物质基础。

It has laid the mass foundation for the Yanshanian mineralization .

沁水盆地燕山期构造热事件及其油气地质意义

Tectothermal event of the Yanshanian and its significance in Qinshui Basin

这些金矿均形成于中生代，空间上与燕山期花岗岩密切相关，矿化特征非常相似。

The mineralization characteristics of these gold deposits are very similar .

我国南方燕山期不同矿化花岗岩的判别

Discrimination of various mineralized granites of Yanshanian age in South China

中国中西部燕山期构造特征及其油气地质意义

Yanshanian tectonic features in west-central China and their petroleum geological significance

侵入岩主要以燕山期基性-中基性为主。

The intrusive rock is mainly Yanshan epoch basic-intermediate acidic vein rock .

贵州境内扬子准地台燕山期叠加褶皱特征

The Superimposed Fold Features of Yangtze Paraplatform of Yanshan Period in Guizhou

燕山期强过铝质侵入岩零星出露于冀晋辽地区。

Yanshanian strongly peraluminous intrusive rocks occur sporadically in the Hebei-Shanxi-Liaoning area .

湘东南多金属矿集区燕山期花岗岩类及其大规模成矿作用中国东部中生代软流圈上涌与构造-岩浆-矿集区

Mesozoic asthenosphere upwelling of Eastern China and its effects on structure-magma-mineralization-concentrated region

2燕山期凝析油-湿气演化阶段的油气运移和聚集；

The condensate oil-humidity gas of the Yanshan movement stage ;

冷湖五号燕山期叠瓦逆冲构造的发现

The finding out of the Yanshan imbricate thrust structure in Lenghu 5