秦岭新生代构造隆升与环境效应:进展与问题

发布时间：2018-10-23 15:24

【摘要】：秦岭东西绵延上千公里,是一座位于我国地理中心部位的雄伟高大山脉,其在地质和地理学研究中均具有非常突出的地位。从地质学角度看秦岭在中国大陆形成和演化过程中具有很重要的位置,其位于华北地块与扬子地块的拼接部位,是中国大陆构造格架的脊梁;在地理学上秦岭又是中国南北方地理分界线,对地理、气候、生态乃至人文环境的南北分异都起着决定作用。前人对秦岭造山带动力学和构造演化进行了大量研究,但多聚焦于古生代早期碰撞和中生代构造演化,而对其新生代以来的构造隆升过程和隆升后所引起的气候环境效应关注较少。对近几十年来开展的围绕秦岭新生代构造隆升和环境效应研究成果进行梳理,指出当前取得的进展及亟待解决的问题,为今后研究提供借鉴。
[Abstract]:The Qinling Mountains extend thousands of kilometers from east to west. It is a majestic mountain range located at the center of our country's geography. It has a very prominent position in geology and geography research. From the geological point of view, Qinling has a very important position in the process of formation and evolution of the Chinese mainland. It is located at the joint position of the North China block and the Yangtze block, and is the backbone of the tectonic framework of the Chinese mainland. In geography, the Qinling Mountains is the geographical boundary of the north and south of China, which plays a decisive role in the North-South differentiation of geography, climate, ecology and even the human environment. Previous studies on the dynamics and tectonic evolution of the Qinling orogenic belt have focused on the early Paleozoic collision and Mesozoic tectonic evolution. However, little attention has been paid to the tectonic uplift process and the climatic and environmental effects caused by the uplift since the Cenozoic. This paper reviews the research results of Cenozoic tectonic uplift and environmental effects in the Qinling Mountains in recent decades, and points out the current progress and the problems to be solved urgently, which provides a reference for future research.
【作者单位】：陕西师范大学地理科学与旅游学院地理国家级实验教学示范中心;中国科学院地球环境研究所黄土与第四纪地质国家重点实验室;
【基金】：国家自然科学基金青年科学基金项目“渭河盆地南缘新生界:年代厘定与物源分析”(编号:41602182) 中央高校基本科研业务费“渭河盆地晚中新世灞河组碎屑锆石物源示踪研究”(编号:GK201603074)资助~~
【分类号】：P542

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