红海盆地北部重力异常及构造特征
Gravity Anomalies and Tectonic Features in the Northern Red Sea Basin
周磊 1张春灌 1赵敏 1刘远见2
作者信息
- 1. 西安石油大学地球科学与工程学院,西安 710065;西安石油大学陕西省油气成藏地质学重点实验室,西安 710065
- 2. 陕西彬长矿业集团有限公司,陕西咸阳 712000
- 折叠
摘要
为了深入研究红海盆地北部的重力异常及构造特征,整理了该区域内自由空间重力异常数据,采用位场分离技术获得了研究区的剩余重力异常.结合已有的地质资料,对自由空间重力异常和剩余重力异常特征进行深入分析,确定了区域内的断裂构造分布特征.研究显示,研究区重力异常分区性明显,大致以沙拉丁-乌姆莱季为界,形成了南北两个重力异常变化区.识别出了北东向和北西向的2组主要断裂带,这两组主要断裂带控制了本区构造格架特征及次级断裂的发育特征.
Abstract
In order to investigate the gravity anomalies and tectonic features in the northern Red Sea Basin,the data of free-space gravity anomalies in the region were compiled and the residual gravity anomalies in the study area were obtained by using the site-field separation technique.Combined with the available geological data,the characteristics of free-space gravity anomalies and residual gravity anomalies were analyzed in depth,and the distribution of fracture structures in the region was determined.The study shows that the gravity anomalies in the study area are clearly zoned,with two zones of gravity anomaly variation to the north and south,roughly bounded by the Saladin-Umrai season.Two major groups of north-east and north-west oriented fracture zones have been identified,which control the tectonic framework and the development of secondary fractures in the area.
关键词
断裂构造/重力异常/红海盆地Key words
fault structure/gravity anomaly/Red Sea Basin引用本文复制引用
出版年
2024
NETL
NSTL
万方数据