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Abstract here, ca. 100 words. In this paper, eigenvalues of the full gravity gradient tensor (GGT) are used to detect edges of geological structure.
First, the solving of GGT eigenvalues is discussed; then a new edge detection method is proposed by using the
eigenvalues of GGT. Comparing with the pervious edge detection method based on curvature gravity gradient
tensor (CGGT), the full gravity gradient tensor containsmore independent gradient components that are helpful
to detect more subtle structures of the sources. The proposed method is applied to the synthetic data with and
without noise to determine the locations of the edges of the mixed positive/negative contract density bodies. It
has also been tested on real field data. All of the experimental results have shown that the newly proposed
method is effective for edge detection.
