论文部分内容阅读
宁夏是我国多地震的地区之一,有记载的七级以上的地震就有6次。对于这些地震发生的地质条件己有不少文章进行讨论,但对其深部的构造特征却研究的很少。本文试图利用重力布格异常和地壳电性分层特征对这个问题做些粗浅的讨论。其中重力布格异常是引用的银川石油管理局的成果,电性分层资料是利用的原国家地震局兰州地震大队大地电磁测深队1970年的工作成果。同时还引用了银川石油局和宁夏地质局的部分物探工作成果。
Ningxia is one of the areas where many earthquakes occur in our country. There are 6 earthquakes recorded above magnitude seven. Many articles have been discussed for the geological conditions of these earthquakes, but few studies have been done on their deep structural features. This article attempts to use the gravity Bouguer anomalies and crustal electrical stratification features on the issue to do some shallow discussion. The gravity Bouguer anomaly is the result of the Yinchuan Petroleum Administration which was quoted. The electrical stratification data is the result of the 1970 achievements of the former National Seismological Bureau Lanzhou Earthquake Brigade’s geomagnetic electromagnetic survey team. At the same time, some results of geophysical work of Yinchuan Petroleum Bureau and Ningxia Geological Bureau are also quoted.