南海重磁异常特征及火成岩分布

P3; Igneous rocks in the South China Sea have broad prospects for oil and gas exploration. Integrated geophysical methods are important approaches to study the distribution of igneous rocks and to determine and identify igneous rock bodies. Aimed at the characteristics of gravity and magnetic fields...

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Published in:应用地球物理（英文版） 2010, Vol.7 (4), p.295-305
Main Authors: 李淑玲, 孟小红, 郭良辉, 姚长利, 陈召曦, 李和群
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container_title 应用地球物理（英文版）
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creator 李淑玲
孟小红
郭良辉
姚长利
陈召曦
李和群
description P3; Igneous rocks in the South China Sea have broad prospects for oil and gas exploration. Integrated geophysical methods are important approaches to study the distribution of igneous rocks and to determine and identify igneous rock bodies. Aimed at the characteristics of gravity and magnetic fields in the South China Sea, several potential field processing methods are preferentially selected. Reduction to the pole by variable inclinations in the area of low magnetic latitudes is used to perform reduction processing on magnetic anomalies. The preferential continuation method is used to separate gravity and magnetic anomalies and extract the gravity and magnetic anomaly information of igneous rocks in the shallow part of the South China Sea. The 3D spatial equivalent distribution of igneous rocks in South China Sea is illustrated by the 3 D correlation imaging of magnetic anomalies. Since the local anomaly boundaries are highlighted gravity and magnetic gradients, the distribution characters of different igneo
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title 南海重磁异常特征及火成岩分布
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