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| THE METHOD OF USING GRAVITY AND MAGNETIC DATA FOR GRAVITY FIELD SEPARATING IN TUQUAN BASIN AND 3D INVERSION OF ROCK |
| LIU Ling1, ZHANG Ming-hua2, TIAN Qian-ning1, SHANG Long-ping1 |
1. Beijing Explo-Tech Engineering C., Ltd., Beijing 100085, China;
2. Development Research Center of China Geological Survey, Beijing 100037, China |
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Abstract The gravity anomaly produced by rock in the strata will affect the reliability of the density interface inversion, so we should remove the influence before the calculation to increase the inversion reliability. In this paper, the authors used gravity and magnetic data in Tuquan basin to invert the rock and got the gravity produced by the rock with which we can perform the separation from the whole gravity field. 3D geological model was also established to reflect the spatial distribution of rock.
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Received: 13 June 2012
Published: 10 April 2013
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