| 三维密度界面反演的一个近似方法 |
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| 引用本文： | 孙德梅,闵志.三维密度界面反演的一个近似方法[J].物探与化探,1984,8(2):89-98. |
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| 作者姓名： | 孙德梅 闵志 |
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| 作者单位： | 中国地质科学院矿床地质研究所
(孙德梅)，中国地质科学院矿床地质研究所(闵志) |
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| 摘 要： | 在区域地球物理研究工作中,应用重力资料反演密度界面,尤其是计算莫氏面的深度,已被广大学者所重视。目前某些计算方法,如线性公式法、压缩质面法等已被应用。我们认为,在利用小比例尺区域重力资料反演密度界面时,现有的一些方法各有其一定的局限性。
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A TECHNIQUE FOR APPROXIMATE INVERSION OFTHREE-DIMENSIONAL DENSITY INTERFACE |
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| Abstract: | Based upon an approximate formula of three-dimensional gravity anomalies and by using the successive approaching method, an inversion technique for the computation of density data in regional gravity survey has been obtained. The technique was applied to process gravity data from_the middlelower reaches of the Yantze River, and a map of Moho isobaths of the area was constructed.Acomprison of calculated results with seismic sounding data shows a fairly good agreement. Acomputer program for the technique is being developed for the interpretation of regional gravity data. |
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