Selecting the optimum location of the corner using gravity gradient method *
Sun Peng-Fei1, Wu Yan-Gang1, Yang Chun-Cheng3, Han Zhao-Hong1,2, and Fan Mei-Ning1
1. College of Geo-Exploration Science and Technology, Jilin University, Changchun 130026, China.
2. Jilin Teacher’s Institute of Engineering and Technology, Changchun 130026, China.
3. Geophysical Exploration Institute of Heilongjiang province, Heilongjiang 150036, China.
Abstract The conventional gravity gradient method to plot the geologic body location is fuzzy. When the depth is large and the geologic body is small, the Vzz and Vzx derivativeerrors are also large. We describe that using the status distinguishing factor to optimally determine the corner location is more accurate than the conventional higher-order derivative method. Thus, a better small geologic body and fault resolution is obtained by using the gravity gradient method and trial theoretical model calculation. The actual data is better processed, providing a better basis for prospecting and determination of subsurface geologic structure
This research is support by the "Eleventh Five-Year" National Science and Technology Support Program (No. 2006BAB01A02), and the Pivot Program of the National Natural Science Fund (No. 40930314)
Cite this article:
SUN Peng-Fei,WU Yan-Gang,YANG Chun-Cheng et al. Selecting the optimum location of the corner using gravity gradient method *[J]. APPLIED GEOPHYSICS, 2011, 8(4): 269-276.