Extension in the North Sea

Synopsis: Presents two models of basin formation and development and shows how the case for each has been argued. First considers the nature of the North Sea sedimentary basin with maps and cross-sections showing total thickness of post-Zechstein, rift and sag phase, thickness geometry, and refraction evidence for crustal thinning. The McKenzie model (pure shear model) of crustal extension is applied to subsidence across the central graben of the North Sea, and is contrasted to the Wernicke model. The deep seismic line NSDP ‘84 is described and the interpretation is tested by computer-simulated section balancing.
Series: Understanding the Continents, Course S339
Language: English
Country: Great Britain
Medium: Video; Videocassette. Standard formats. col. 29 min.
Year of production: 1990
Availability: Sale; 1999 sale: £85.00 (+VAT +p&p)
Subjects: Geology
Keywords: basin formation; lithosphere; North Sea

Name: Open University Worldwide
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