|
|
|
| THE APPLICATION OF GROUND HIGH-PRECISION MAGNETIC SURVEY TO THE EXPLORATION OF INTERSECTION-TYPE URANIUM DEPOSITS |
| LI Man, FANG Gen-xian, ZHANG Zhi-yong, CAO Jun-chang |
| Geophysical Department, East China Institute of Technology, Fuzhou 344000, China |
|
|
|
|
Abstract The study area is located in the Xiazhuang uranium orefield. The intersection-type high-grade uranium deposits are controlled by tracks of intersection faults and lithology of diabase dykes. The task of this study was focused on finding the concealed diabase dykes. This is because uranium is a non-magnetic mineral, but diabase dykes have strong magnetization. Ground high-precision magnetic data show that the amplitude of the anomalies is between plus-minus dozens of nanotesla. The position of diabase is difficult to judge by planar contours of total-field anomaly, but it well corresponds to the positive value of the 0 degree horizontal first derivative.
|
|
Received: 14 April 2011
Published: 10 June 2012
|
|
|
|
|
|
| [1] |
CHEN Xiu-Juan, LIU Zhi-Di, LIU Yu-Xi, CHAI Hui-Qiang, WANG Yong. Research into the pore structure of tight reservoirs:A review[J]. Geophysical and Geochemical Exploration, 2022, 46(1): 22-31. |
| [2] |
XIAO Guan-Hua, ZHANG Wei, CHEN Heng-Chun, ZHUO Wu, WANG Yan-Jun, REN Li-Ying. Application of shallow seismic reflection surveys in the exploration of urban underground space in Jinan[J]. Geophysical and Geochemical Exploration, 2022, 46(1): 96-103. |
|
|
|
|
