Technischer Bericht NTB 84-28

Bestimmung des Sorptionskoeffizienten von Uran (VI) an Grimsel- und Böttsteingranit

Satellite images often show a dense network of linear elements. The effective meaning of these lineament patterns is still under discussion, especially as to their significance in structural interpretations.

In northern Switzerland, a detailed comparison of Landsat images with topographic and geological maps, and aerial photographs  – all on a scale of 1:25'000 – has proved that most of the lineaments delinated in Landsat images appear to represent "bright/darkcontrasts" produced by morphology, vegetation and human activity. No conclusive evidence as to tectonic origins were observed.

Nevertheless, tectonically influenced origins of recent drai­nage patterns cannot be neglected. However, the evaluation of potential repository sites in northern Switzerland must be based on detailed field work whereas tectonic lineament pattern derived from satellite images should be considered only as informations of secondary or supplementary importance.