Review of velocity models in the Faroe-Shetland Channel

Uni K. Petersen, Thomas Funck

Research output: Chapter in Book/Report/Conference proceedingChapter in bookResearchpeer-review

6 Citations (Scopus)


Over the last few decades, a number of wide-angle seismic experiments have been conducted in the Faroe-Shetland Channel area with the objective of mapping the crustal structure. However, the volcanic rocks covering most of the area present a challenge for the imaging of subbasalt structures. The results of the seismic studies are consistent in describing the Faroe-Shetland Channel as thinned continental crust and in establishing the presence of sub-basalt sediments. However, the various datasets often show differences in depth to crystalline basement and to the Moho. This paper presents a review of the velocity models in the Faroe-Shetland Channel and analyses the differences at line intersections. Down to top basalt the models are fairly consistent, while there are deviations of up to 1 km s -1 in basalt velocities and sub-basalt sediment velocities, 2 km in basalt thickness, 3.2 km in depth to crystalline basement, and 11.7 km in depth to the Moho.

Original languageEnglish
Title of host publicationThe NE Atlantic region: a reappraisal of crustal structure, tectonostratigraphy and magmatic evolution
EditorsG. Péron-Pindvidic, J.R. Hopper, T. Funck, M.S. Stoker, C. Gaina, J.C. Doornenbal, U.E. Árting
Place of PublicationLondon
PublisherGeological Society of London
Number of pages18
ISBN (Electronic)978-1-78620-278-9
Publication statusPublished - 2017

Publication series

SeriesGeological Society, London, Special Publications

Programme Area

  • Programme Area 3: Energy Resources


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