Surveys in Geophysics

, Volume 12, Issue 6, pp 565–581 | Cite as

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

  • S. A. Drury
  • A. S. D. Walker


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 ofnth-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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Copyright information

© Kluwer Academic Publishers 1991

Authors and Affiliations

  • S. A. Drury
    • 1
  • A. S. D. Walker
    • 2
  1. 1.Department of Earth SciencesOpen UniversityMilton KeynesUK
  2. 2.British Geological SurveyKeyworthUK

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