Seismic characterization of basalt flows from the Faroes margin and the Faroe-Shetland basin

Spitzer, R. and White, R. S. and Christie, P. A. F. (2008) Seismic characterization of basalt flows from the Faroes margin and the Faroe-Shetland basin. Geophysical Prospecting, 56 (1). pp. 21-31.

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Official URL: http://dx.doi.org/10.1111/j.1365-2478.2007.00666.x

Abstract

High-quality seismic profiles across the Faroes volcanic continental margin and the adjacent continental shelf show contrasting styles of basalt emplacement across two major structural boundaries. At the rifted continental margin, the basalts form prominent seaward dipping reflector sequences up to 5 km thick. The same basalts, after they had travelled in a landward direction across the elevated, subaerial Faroes shelf, produced prominent landward dipping foresets, where they flowed across the paleocoastline into the deep water of the Faroe-Shetland Basin. In both cases we are able to image details of the internal structure of the basalts as a result of using a low-frequency airgun source capable of penetrating through the basalt sequence, together with longoffset recordings from ocean bottom seismometers and a 12 km long, deep-towed, hydrophone streamer.

Item Type: Article
Uncontrolled Keywords: 2007 AREP IA52 2008 P
Subjects: 02 - Geodynamics, Geophysics and Tectonics
Divisions: 02 - Geodynamics, Geophysics and Tectonics
Journal or Publication Title: Geophysical Prospecting
Volume: 56
Page Range: pp. 21-31
Depositing User: Sarah Humbert
Date Deposited: 16 Feb 2009 13:03
Last Modified: 23 Jul 2013 10:08
URI: http://eprints.esc.cam.ac.uk/id/eprint/709

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