珠江口盆地航磁局部构造异常
Geophysical and Geochemical Exploration（2010）
Abstract
珠江口盆地存在丰富的油气资源,勘探前景受到越来越多的关注.局部磁异常往往与含油气局部构造密切相关.通过对珠江口盆地大比例尺高精度航磁资料处理和分析,识别出5种航磁局部构造异常:基岩凸起局部构造异常、与基性侵入岩有关的局部构造异常、与中酸性侵入岩有关的局部构造异常、与火山岩有关的局部构造异常、与沉积层有关的局部构造异常.对各种局部构造异常进行了较细致的描述,并结合地震、重力、钻孔等资料对典型异常进行了地质解释,为油气勘探提供了依据.
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Key words
aeromagnetic data processing,local magnetic anomaly,local structural trap of hydrocarbon resource,Zhujiang River mouth basin
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