| 地壳均衡假说与湘西北地壳均衡失调探讨 |
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| 引用本文： | 谢湘雄,顾剑虹.地壳均衡假说与湘西北地壳均衡失调探讨[J].物探与化探,2002,26(3):171-174. |
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| 作者姓名： | 谢湘雄 顾剑虹 |
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| 作者单位： | 长沙工程学校,湖南,长沙,410114 |
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| 摘 要： | 由湖南省1:100万10′×15′平均均衡重力异常图知,湘西北地区呈重力高;除此以外的广大地区,当消除花岗岩对应的局部重力低外,均衡异常基本呈零值特征。笔者认为这是湖南全省的地壳均衡失调区,并从5个方面对该问题进行了分析。
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| 关 键 词： | 地壳均衡 均衡重力异常 均衡失调 艾里假说 普拉特假说 维宁—海涅斯假说 |
| 文章编号： | 1000-8918(2002)03-0171-04 |
| 收稿时间： | 2001-02-27 |
ISOSTATIC HYPOTHESIS AND AN INVESTIGATION OF ISOSTASY DISLOCATION |
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| XIE Xiang-xiong,GU Jian-hong.ISOSTATIC HYPOTHESIS AND AN INVESTIGATION OF ISOSTASY DISLOCATION[J].Geophysical and Geochemical Exploration,2002,26(3):171-174. |
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| Authors: | XIE Xiang-xiong GU Jian-hong |
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| Institution: | Changsha Engineering School, Changsha 410114, China |
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| Abstract: | It is known from the 1:1000000 10′×15′ average isostatic gravity map that the northwestern Hunan area assumes gravity high, and the other vast areas are basically characterized by zero isostatic anomaly if the local gravity low corresponding to granite is eliminated. The authors consider the northwestern Hunan area to be the isostatic dislocation area in Hunan Province, and make an analysis of this problem from five aspects. |
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| Keywords: | isostasy isostatic gravity anomaly isostasy dislocation Airy hypothesis Pratt hypothesis Vening Meinesz hypothesis |
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