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- orogenic belt of North Qilian 北祁连造山带
- It is inferred that North Qilian orogenic belt was located in the tectonic background of an archipelagic ocean where a wide multi-island ocean existed in the Ordovician. 推测北祁连奥陶纪处于多岛洋的构造背景,北祁连奥陶纪存在宽阔、多岛的古洋盆。
- This paper makes an approach to the history of tectono_magmatic evolution,the types and backguounds of mineralization prior to the orogenic period of north Qilian Mountains. 概要介绍了北祁连山造山带造山之前的构造火山岩浆演化历史、成矿类型和成矿背景条件。
- They are one part of North China plate and the collision orogenic belt between North China plate and Yangtze Plate, respectively. 前者为华北板块组成部分,后者为华北和扬子板块的碰撞拼合带。
- The Tianlu sandstone copper deposits located in the Silurian period stratum that belong to the northern part of north Qilan orogenic belt. 北祁连天鹿砂岩铜矿床产在北祁连造山带北部志留纪地层中,矿层产于旱峡组灰绿色岩层底部或紫红色岩层的灰绿色夹层中,具有稳定的层位特征。
- The Qingling-Dabie-Sulu orogenic belt resulted from collision between of North China Craton and Yantze Craton is the largest UHP metamorphic belt in the world. 中国中东部的秦岭-大别造山带是中国中央造山带的重要组成部分,是华北-扬子两大板块俯冲-碰撞的产物,是世界上规模最大的超高压变质带。
- Abstract: Xuequan Cyprus type copper (zinc)-rich massive sulfide deposits is located in the volcanic rock belt of Ordovician back-arc basin along the west section of the North Qilian mountains. 摘 要 :雪泉塞浦路斯型富铜(锌)块状硫化物矿床地处北祁连山西段奥陶纪弧后盆地火山岩带内,矿床的形成受火山热液喷流中心控制,每个喷流中心的成矿遵循“蘑菇”状的成矿模式,目前已发现矿区存在多个热液喷流中心,与此相对应的矿体表现出呈群出现,分段集中的特点。
- Meanwhile, discovery and its tectono-paleogeography background of the strata has a great significance for the study of orogenic belt of East Kunlun Mt. 同时,该套地层的发现及其古构造沉积背景的确定对东昆仑造山带的研究具有重要意义。
- There are obvious differences about the Moho seismic event features of the plate of north China and Yangtze as well as Qinling orogenic belt appeared on Eastern Qinling deep seismic profile. 东秦岭深地震剖面上反映的华北、秦岭和扬子莫霍地震波组的特征具有明显差异。
- As a composite orogenic belt of the Himalaya giant orogenic zone, Yidun arc, Sanjiang region (means three rivers region, i. 竹鸡顶铜矿位于著名的多金属成矿带西南三江成矿带北带,义敦岛弧有色、贵金属矿产地集中区南部。
- The rapakivi granite of the Qinling-Kunlun is remarkably characterized by its existence in the orogenic belt,closely related with the suture belt of platform. 秦岭-昆仑造山带中环斑花岗岩的显著特征是都产在造山带中,与板块缝合带关系密切,时代从元古宙到古生代直到中生代都有发现,具多旋回性。
- It can be used to the places of the subduction belt and suture belt of Dabie orogenic belt and the accretionary complex with subduction of the continental plate . 因此认为这些浅变质为扬子板块俯冲过程中被“刮”下来的构造残片,为大陆板块俯冲过程中形成的加积杂岩,并为扬子板块与华北板块的俯冲和碰撞的动力学过程提供有力的科学佐证。
- Different metamorphic types reveal different tectonic conditions and record the evolutionary history and geodynamic process in Altai Hercynian orogenic belt of Xinjiang. 不同的变质作用类型代表了不同的大地构造环境,记录了造山带的演化历史和动力学过程。
- Taking for example the Western Yunnan orogenic belt of the Honghe River-Jinsha River, this paper discusses Cenozoic intracontinental orogenic helts and their formative process. 本文以我国云南西部(红河-金沙江以西)新生代陆内造山带(滇西造山带)为例,探讨陆内新生代造山带的演化过程。
- It can be used to the places of the subduction belt and suture belt of Dabie orogenic belt and the accretionary complex with subduction of the continental plate. 因此认为这些浅变质为扬子板块俯冲过程中被“刮”下来的构造残片,为大陆板块俯冲过程中形成的加积杂岩,并为扬子板块与华北板块的俯冲和碰撞的动力学过程提供有力的科学佐证。
- The tectonic framework of North Qilian in Early Ordovician should be similar to that of the Bafin Bay and the Queen Elizabeth Islands. 北祁连早奥陶世海域与现在加拿大北部巴芬湾及伊丽莎白女王群岛的构造格局相似。
- Abstract: Yingzuishan gold deposit lies in the intersection point of North Qilian Mts and South Altyn abruption, it is related to the ultramafite nearly in space. 摘 要: 鹰嘴山金矿床产于北祁连山与阿尔金南缘断裂的交汇部位,与超镁铁岩在空间上有密切的关系。
- Yingzuishan gold deposit lies in the intersection point of North Qilian Mts and South Altyn abruption, it is related to the ultramafite nearly in space. 摘要鹰嘴山金矿床产于北祁连山与阿尔金南缘断裂的交汇部位,与超镁铁岩在空间上有密切的关系。
- In Tibetan plateau the crust thickness is more than 70 km,in orogenic belt of Himalayan mountains it is about 55 km of,in Brahmaputra basin valley it is 33 to 35 km,and in Naga mountain it is 40 to 45 km. 喜马拉雅造山带为55 km左右; 布拉马普特拉河谷盆地为33~35 km;
- In the Qinghai-Xizang Plateau the crust thickness is more than 70 km,in the orogenic belt of Himalayan Mountains it is about 55 km,in the Brahmaputra basin valley it is 33 to 35 km,and in the Naga mountain it is 40 to 45 km. 布拉马普特拉河谷盆地为33~35 km; 那加山山脉地区为40~45 km;即呈现出3个不同构造单元的展布.