| 苏北大陆科学钻探靶区重磁异常反演解释 |
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| 引用本文： | 余钦范,姚长利,孟小红,郭友钊.苏北大陆科学钻探靶区重磁异常反演解释[J].地球物理学报,2001,44(6):825-832. |
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| 作者姓名： | 余钦范 姚长利 孟小红 郭友钊 |
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| 作者单位： | 中国地质大学,北京,100083 |
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| 基金项目： | 地质矿产部深部地质调查重点研究项目 ( 95 0 1 2 0 2 )，国家自然科学基金项目 ( 4 95 0 4 0 5 9，4 0 0 74 0 2 6 )，岩石
圈构造、深部过程及探测技术教育部重点实验室资助 |
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| 摘 要： | 对江苏东海县毛北地区重、磁观测异常进行了处理和特征分析,并根据科学钻探主要目标体榴辉岩与其围岩有达0.9×103kg/m3的明显密度差,进行了等效密度反演成像与综合地震约束反演计算.给出了该地区重力异常模型,可作为综合地质与地球物理研究的一个基础.
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| 关 键 词： | 重磁异常 反演 模型 大陆科学钻探 苏北 |
| 文章编号： | 0001-5733(2001)06-0825-08 |
| 收稿时间： | 2001-02-07 |
INTERPRETATION OF GRAVITY AND MAGNETIC ANOMALIES OBTAINED AT CONTINENTAL SCIENTIFIC DRILING SITE IN SUBEI |
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| YU QIN,FAN\ YAO CHANG,LI\ MENG XIAO,HONG\ GUO YOU,ZHAO.INTERPRETATION OF GRAVITY AND MAGNETIC ANOMALIES OBTAINED AT CONTINENTAL SCIENTIFIC DRILING SITE IN SUBEI[J].Chinese Journal of Geophysics,2001,44(6):825-832. |
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| Authors: | YU QIN FAN\ YAO CHANG LI\ MENG XIAO HONG\ GUO YOU ZHAO |
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| Institution: | University of geosciences of China, Beijing 100083, China |
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| Abstract: | Based on the features of gravity and magnetic anomalies and the obvious difference of densities between eclogite observed at Maobei, one of the main targets of the continental deep scientific drilling, and the surrounding rocks, two inversions of the gravity anomalies are carried out, one of which is for the equivalent distribution of densities under no constraints, and another under the constraints of seismic data. The gravity models are given and can be taken as a base of further geological and geophysical research of this area. |
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| Keywords: | Gravity and magnetic anomalies Inversion Models Continental deep scientific drilling Subei |
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