[1]罗文行,周　云,房艳国,等.碳酸岩U系测年在滇西北北衙组地层抬升速率计算中的应用[J].华南地震,2019,39(03):1-5.[doi:10.13512/j.hndz.2019.03.001]
　LUO Wenxing,ZHOU Yun,FANG Yanguo,et al.Application of Carbonatite Uranium Series Dating Method in the Calculation of the Beiya Formation Stratigraphic Uplifting Rate in Northwest Yunnan[J].,2019,39(03):1-5.[doi:10.13512/j.hndz.2019.03.001]
点击复制

碳酸岩U系测年在滇西北北衙组地层抬升速率计算中的应用()
分享到：

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2019年03期
页码:
1-5
栏目:
华南地震
出版日期:
2019-09-02

文章信息/Info

Title:
Application of Carbonatite Uranium Series Dating Method in the Calculation of the Beiya Formation Stratigraphic Uplifting Rate in Northwest Yunnan
作者:
罗文行1; 周　云1; 房艳国1; 李　路2; 肖宙轩2; 林靖愉2; 杨　鹏3; Jianxin ZHAO4
（1. 长江勘测规划设计研究有限责任公司，武汉 430010；2. 长安大学地球科学与资源学院，西安 710054；3. 中山大学海洋科学学院，广州 519082；4. 澳大利亚昆士兰大学放射性同位素重点实验室，澳大利亚昆士兰州 4072）
Author(s):
LUO Wenxing1; ZHOU Yun1; FANG Yanguo1; LI Lu2; XIAO Zhouxuan2;  LIN Jingyu2; YANG Peng3; Jianxin ZHAO4
1. Changjiang Survey，Planning，Design and Research Co.，Ltd.，Wuhan 430010，China；2. School of Earth Sciences and Resoursces，Chang’an University，Xi’an，710054，China；3. School of Marine Sciences，Sun Yat-sen University，Zhuhai 519082，China；4. Radiogenic Isotope Facility，School of Earth Sciences，The University of Queensland，Qld 4072，Australia
关键词:
U系测年; 构造隆升; 抬升速率; 北衙组; 滇西北
Keywords:
U series dating; Tectonic uplift; Uplift rate; Beiya formation; Northwest Yunnan
DOI:
10.13512/j.hndz.2019.03.001
文献标志码:
A
摘要:
自第四纪以来，滇西北地区地壳活动强度明显增强，地震活动频繁，区域稳定性越来越低，人类生存环境严酷。选取滇西北地区鹤庆—洱源断裂带经过的北衙组地层作为研究对象，通过对干涸的溶洞内鹅管碳酸盐矿物进行U系不平衡法准确定年，厘定出构造隆升作用的起始时间，最终计算得出该套地层抬升速率为2.4 mm/a。北衙组地层的迅速抬升，反映了滇西北地区作为青藏高原东南扩展前缘的地球动力学过程，可能与青藏高原下地壳物质向滇西流动汇聚有关。同时，该抬升速率为滇西地区国家重大工程建设的设防抗震提供了可靠的数据支撑。
Abstract:
Since the Quaternary, the intensity of crustal activity in the northwestern Yunnan region has been significantly enhanced, earthquake activity is frequent, regional stability is getting lower and lower, and human living environment is harsh. The paper selected the Beiya formation as the research object, which was been through with the Heqing-Eryuan fault zone. By using the U series unbalance method of the goose tube in the dried karst cave, the starting time of the tectonic uplift is determined. Finally, the uplift rate of Beiya formation is calculated to be 2.4mm/a, which provides reliable data support for the major construction of the country.
更新日期/Last Update: 2019-09-10