地质通报2018,Vol.37Issue(2):299-313,15.
基于航磁资料的大兴安岭南部区域成矿构造填图尝试
摘要
Abstract
The Da Hinggan Mountains is one of the very important metallogenic belts in China in that it has the condition of large-scale mineralization and prospecting potential. The thorough study of the large faults, sub-faults and basement structure system of southern Da Hinggan Mountains is an important step for probing into the control of the tectono-magmatic rocks and mineralization in this area.In this paper the authors conducted the processing and interpretation of the aeromagnetic data obtained from southern Da Hinggan Mountains. The authors found the deep great faults in NE, EW, NNE and NW directions, which indicate the deep base-ment structure characteristics of this area. The authors ascertained the locations of volcanic mechanisms, and analyzed the regional geological-structural characteristics of the Da Hinggan Mountains.The authors revealed the positive magnetic anomalies and anoma-ly gradient belts distributed in linear and plane shapes,which indicate the activities of magmatic rocks.The favorable areas of metallic mineralization were also investigated.This study provides some basic information for the further research on regional geology,struc-tural characteristics and mineral resources prospecting in southern Da Hinggan Mountains.关键词
大兴安岭/航磁异常/构造解释/深大断裂/火山机构Key words
Da Hinggan Mountains/aeromagnetic anomaly/structural interpretation/deep large fault/volcanic mechanism分类
天文与地球科学引用本文复制引用
朱小三,卢民杰,管烨,张颖慧..基于航磁资料的大兴安岭南部区域成矿构造填图尝试[J].地质通报,2018,37(2):299-313,15.基金项目
国家自然科学基金项目《基于深反射地震资料探讨扬子古陆块和华夏古陆块元古代碰撞造山带》(批准号:41404070)和中国地质调查局项目《内蒙古东南部三维建模区地球物理数据采集与解释》(编号:DD20160125-03)、《安第斯成矿带区域地球物理特征与优势矿产资源潜力分析》(编号:DD20160102-2) (批准号:41404070)