中国地质调查2016，Vol.3Issue(6)：57-62,6.
天津周边海－陆过渡地区航空重力调查及主要成果
Achievements of airborne gravity survey in sea-land transition area around Tianjin
摘要
Abstract
Marine geological survey is significant important for the exploration of marine minerals,along with the increasing of human demands for marine mineral resources.The marine geological and geophysics survey in our country started late and is in a lower level now.However,as a quick and effective geophysics measurement,the airborne gravity survey plays an important role in the marine geological survey.The advanced GT-1 A airborne gravity measurement system was introduced in 2006 and the airborne gravity survey at 1∶200 000 scale was carried out in sea-land transition region around Tianjin for the first time in 201 1 .This survey collected 30 thousands kilo-meters measure data with high quality,implemented the sea -land continuous measurement in the sea -land transition area and filled the blank in the high-precision airborne gravity measure in this area.This paper has given a detailed description of the achievements in airborne gravity survey,and studied the Shijiutuo Salient in the study area from the view of airborne gravity.The basement of Shijiutuo Salient was concluded to be possessed seg-mentation and the new basement salient was outlined to give a conclusion for further oil and gas exploration.The high magnetic anomaly in Bozhong Depression was also discussed.In addition,some important recognitions were achieved by studying gravity character of the main structural units,basement and fractures in the sea-land transi-tion region,which are important for basic geology and environment research.关键词
海-陆过渡地区/航空重力测量系统(GT-1A)/石臼坨凸起/渤中凹陷Key words
sea -land transition region/airborne gravity measurement system (GT-1A)/Shijiutuo Salient/Bozhong Depression分类
天文与地球科学引用本文复制引用
林晓星,陈斌,张玄杰,吴云,范江..天津周边海－陆过渡地区航空重力调查及主要成果[J].中国地质调查,2016,3(6):57-62,6.基金项目
国家专项“海洋航空地球物理探测及应用（编号GZH200900502）”和“河北磁县-河南安阳地区航磁调查（编号12120115039701）”项目联合资助。 （）
