CHARACTERISTICS OF MAGNETIC AND GRAVITY ANOMALIES OF LENGKOU FAULT IN EASTERN HEBEI AND ITS GEOLOGICAL FUNCTIONS
ZHANG Wan1, ZHANG Qiang2, LIU Ying-hui1, ZHU Wei-ping1, TONG Jing1
1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China; 2. Institute of Geophysical and Geochemical Exploration, CAGS, Langfang 065000, China
Abstract:Using 1:25000 high precision aeromagnetic survey data and ground gravity data collected in eastern Hebei area,the authors analyzed the characteristics of magnetic and gravity anomalies on both sides of Lengkou fault and,in combination with the characteristics of geology and mineral resources,explained the factors responsible for the aeromagnetic and gravity anomalies and their control over geological structures and minerals. The characteristics of magnetic and gravity anomalies and the caprocks as well as the intrusive rocks are significantly different on the two sides of Langkou fault,so the authors infer that the fault not only controls the geological structure but also indirectly controls the distribution of minerals. The results obtained by the authors provide certain basis for geoscience research and mineral exploration.
张婉, 张强, 刘英会, 朱卫平, 佟晶. 冀东地区冷口断裂重磁异常特征及其地质作用[J]. 物探与化探, 2013, 37(5): 769-774.
ZHANG Wan, ZHANG Qiang, LIU Ying-hui, ZHU Wei-ping, TONG Jing. CHARACTERISTICS OF MAGNETIC AND GRAVITY ANOMALIES OF LENGKOU FAULT IN EASTERN HEBEI AND ITS GEOLOGICAL FUNCTIONS. Geophysical and Geochemical Exploration, 2013, 37(5): 769-774.