Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland
The seismic velocity of the sedimentary structure of the Norwegian-Danish Basin and its underlying Precambrian basement have been modelled by 2D ray tracing interpretation of a 200 km section of a deep refraction seismic profile in northern Jutland (EUGENO-S Project, profile 3). A model is presented...
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Language: | English |
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1991
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ftuniaarhuspubl:oai:pure.atira.dk:publications/a6db4bd8-efa4-474a-b01a-bedb81f4a602 2023-05-15T16:12:59+02:00 Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland Knudsen, Hanne J. Balling, Niels Jacobsen, Bo Holm 1991-04-10 https://pure.au.dk/portal/da/publications/seismic-modelling-of-the-norwegiandanish-basin-along-a-refraction-profile-in-northern-jutland(a6db4bd8-efa4-474a-b01a-bedb81f4a602).html https://doi.org/10.1016/0040-1951(91)90497-G http://www.scopus.com/inward/record.url?scp=0025960747&partnerID=8YFLogxK eng eng info:eu-repo/semantics/restrictedAccess Knudsen , H J , Balling , N & Jacobsen , B H 1991 , ' Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland ' , Tectonophysics , vol. 189 , no. 1-4 , pp. 209-218 . https://doi.org/10.1016/0040-1951(91)90497-G article 1991 ftuniaarhuspubl https://doi.org/10.1016/0040-1951(91)90497-G 2023-02-08T23:56:08Z The seismic velocity of the sedimentary structure of the Norwegian-Danish Basin and its underlying Precambrian basement have been modelled by 2D ray tracing interpretation of a 200 km section of a deep refraction seismic profile in northern Jutland (EUGENO-S Project, profile 3). A model is presented which satisfies the quite detailed prior geological information from wells and shallow reflection seismic interpretations for the upper sedimentary layers and the traveltime observations from three shotpoints along the profile. The model shows a basin thickness of about 7 km in the southern part of the profile, thinning to 1.5-2 km in the northern part towards the Fennoscandian Border Zone. In the central part, the model thickness is about 10 km. Sedimentary P-wave velocities vary from 1.9 to 3.8 km/s in the upper layers (Quaternary, Tertiary and Upper Cretaceous units) to about 5.5 km/s in the deepest Palaeozoic unit. The Precambrian basement shows velocities of 5.9-6.5 km/s. There is a clear indication of a basement reflector at depths of 11 km (velocity contrast 6.0 6.4 km). Article in Journal/Newspaper Fennoscandian Aarhus University: Research Tectonophysics 189 1-4 209 218 |
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Open Polar |
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Aarhus University: Research |
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ftuniaarhuspubl |
language |
English |
description |
The seismic velocity of the sedimentary structure of the Norwegian-Danish Basin and its underlying Precambrian basement have been modelled by 2D ray tracing interpretation of a 200 km section of a deep refraction seismic profile in northern Jutland (EUGENO-S Project, profile 3). A model is presented which satisfies the quite detailed prior geological information from wells and shallow reflection seismic interpretations for the upper sedimentary layers and the traveltime observations from three shotpoints along the profile. The model shows a basin thickness of about 7 km in the southern part of the profile, thinning to 1.5-2 km in the northern part towards the Fennoscandian Border Zone. In the central part, the model thickness is about 10 km. Sedimentary P-wave velocities vary from 1.9 to 3.8 km/s in the upper layers (Quaternary, Tertiary and Upper Cretaceous units) to about 5.5 km/s in the deepest Palaeozoic unit. The Precambrian basement shows velocities of 5.9-6.5 km/s. There is a clear indication of a basement reflector at depths of 11 km (velocity contrast 6.0 6.4 km). |
format |
Article in Journal/Newspaper |
author |
Knudsen, Hanne J. Balling, Niels Jacobsen, Bo Holm |
spellingShingle |
Knudsen, Hanne J. Balling, Niels Jacobsen, Bo Holm Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
author_facet |
Knudsen, Hanne J. Balling, Niels Jacobsen, Bo Holm |
author_sort |
Knudsen, Hanne J. |
title |
Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
title_short |
Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
title_full |
Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
title_fullStr |
Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
title_full_unstemmed |
Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland |
title_sort |
seismic modelling of the norwegian-danish basin along a refraction profile in northern jutland |
publishDate |
1991 |
url |
https://pure.au.dk/portal/da/publications/seismic-modelling-of-the-norwegiandanish-basin-along-a-refraction-profile-in-northern-jutland(a6db4bd8-efa4-474a-b01a-bedb81f4a602).html https://doi.org/10.1016/0040-1951(91)90497-G http://www.scopus.com/inward/record.url?scp=0025960747&partnerID=8YFLogxK |
genre |
Fennoscandian |
genre_facet |
Fennoscandian |
op_source |
Knudsen , H J , Balling , N & Jacobsen , B H 1991 , ' Seismic modelling of the Norwegian-Danish basin along a refraction profile in northern Jutland ' , Tectonophysics , vol. 189 , no. 1-4 , pp. 209-218 . https://doi.org/10.1016/0040-1951(91)90497-G |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/0040-1951(91)90497-G |
container_title |
Tectonophysics |
container_volume |
189 |
container_issue |
1-4 |
container_start_page |
209 |
op_container_end_page |
218 |
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1765998595266314240 |