The use of geophysical images in subsurface investigations of the Solway Basin, England

Drury, S. A. and Walker, A. S. D. (1991). The use of geophysical images in subsurface investigations of the Solway Basin, England. Surveys in Geophysics, 12(6) pp. 565–581.

DOI: https://doi.org/10.1007/BF01961112

URL: http://www.springerlink.com/content/t3418t36670108...

Abstract

This paper focuses on the use of low-cost geophysical data sets in raster format for structural analysis of a small onshore basin in NW England. Gravity and aeromagnetic data are expressed as images enhanced by a variety of image-processing methods, aimed at expressing the data in a form most readily appreciated by human vision. This involves side-illumination of the data using directional first derivative filters and pseudo-colouring based on look-up table techniques. The principal data handling method was trend-surface analysis and calculation of nth-order residual images. Most of the known structural attributes of the basin are resolved, together with previously unknown features affecting the basin's deep architecture.

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