Wide-angle vibroseis test across the Rhine graben |
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| Authors: | B Damotte K Fuchs E Lüschen F Wenzel R Schlich G Toreilles |
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| Institution: | Institut Français du Petrole, Avenue Bois-Preau, Rueil Malmaison, France;Institute of Geophysics, Karlsruhe.;Institute of Geophysics, Strasbourg;;Elf-Aquitaine. |
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| Abstract: | Summary. As a joint operation of ECORS and DEKORP, a deep wide-angle seismic experiment using vibrators was carried out in the autumn of 1984. The object was to get information on the deep crust under the Rhine graben without crossing through sedimentary layers. Offsets were in the range of 50 to 89 km. In the first phase, two vibration points were executed in the Vosges mountains. A signal was received in the Black Forest from solely the farthest VP. In the second phase, fourteen VPs were executed in the Black Forest. No stacking or correlation was performed in the field in France. The quality of the results is good only if an equalization is applied before vertical stacking and correlation in the computing centre. |
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