| 造山带汇聚板块边缘沉积盆地的鉴别与恢复 |
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| 引用本文： | 闫臻,王宗起,闫全人,方爱民,陈隽璐.造山带汇聚板块边缘沉积盆地的鉴别与恢复[J].岩石学报,2018,34(7):1943-1958. |
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| 作者姓名： | 闫臻 王宗起 闫全人 方爱民 陈隽璐 |
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| 作者单位： | 中国地质科学院地质研究所;中国地质科学院矿产资源研究所;中国科学院大学地球与行星科学学院;中国科学院地质与地球物理研究所;中国地质调查局西安地质调查中心 |
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| 基金项目： | 国家自然科学基金项目（41672221、41702239）和中国地质调查局地质调查项目（DD20160201-04、DD20160022-02）联合资助. |
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| 摘 要： | 大洋俯冲和大陆碰撞是板块汇聚过程中的有机连续过程,也是造山带形成的两种基本造山作用方式。不同的造山作用过程形成不同类型的沉积盆地和填充序列,沉积盆地性质的改变和沉积物源区变化是造山作用方式和时限的最直接体现。沉积盆地是造山带重要大地构造相单元之一,完整记录了板块边缘动力学过程和构造演化以及造山作用方式和时限。沉积盆地构造原型鉴别与恢复是造山带结构-属性解剖的重要内容之一。视沉积盆地与相邻大地构造相的演化为统一整体,以填充物和沉积物源区作为链接沉积盆地和造山带的纽带,系统地精细解剖填充物组成和沉积相以及沉积物源区时空变化系列,准确鉴别并恢复造山带沉积盆地构造原型,是获取大陆碰撞方式和时限的沉积-地层判别标志的有效方法之一。
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| 关 键 词： | 造山带 汇聚板块边界 沉积盆地构造原型 造山作用方式 造山作用时限 |
| 收稿时间： | 2018/2/15 0:00:00 |
| 修稿时间： | 2018/4/20 0:00:00 |
Identification and reconstruction of tectonic archetype of the sedimentary basin within the orogenic belt developed along convergent margin |
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| YAN Zhen,WANG ZongQi,YAN QuanRen,FANG AiMin and CHEN JunLu.Identification and reconstruction of tectonic archetype of the sedimentary basin within the orogenic belt developed along convergent margin[J].Acta Petrologica Sinica,2018,34(7):1943-1958. |
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| Authors: | YAN Zhen WANG ZongQi YAN QuanRen FANG AiMin and CHEN JunLu |
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| Institution: | Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China,Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037,College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China,Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China and Xi''an Geological Survey Center, China Geological Survey, Xi''an 710054 |
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| Abstract: | Ocean subduction and continental collision are an integrally continuous process of plate convergence and are also two basic patterns of orogeny. Different types of sedimentary basins and filling sequences were formed in different processes of orogeny, and the changes of their tectonic settings and source areas are the most direct manifestation of orogeny patterns and timing limit. Sedimentary basin is one of important tectonic facies of orogenic belt, which comprehensively records dynamic process and tectonic affinity of plate boundaries as well as orogeny patterns and time limit. Identification and reconstruction of tectonic archetype of the sedimentary basin is one of important subject of anatomy of composition and nature of orogenic belt. Considering sedimentary basins and adjacent tectonic facies as an integrated body and basin fills and sources as links of sedimentary basins and orogenic belts, and systemically detailed anatomy of spatial and temporal variation of components, sedimentary facies, and source areas of basin fillings, accurate identification and reconstruction of tectonic archetype of sedimentary basins within orogenic belt is one of effective methods of obtaining sedimentary-stratigraphic markers to discriminate continental collision patterns and timing limit. |
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| Keywords: | Orogenic belt Convergent plate boundary Tectonic archetype of sedimentary basin Orogenic pattern Orogeny timing limit |
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