The evolution of passive continental margins in the light of recent deep drilling results - Geological setting and principal results of drilling on the margins of the Bay of Biscay and Rockall Plateau during Leg 48

During Leg 48 of the IPOD phase of the Deep Sea Drilling Project, seven holes were drilled on the margins of the Bay of Biscay and Rockall Plateau to compare the evolution of passive margins of contrasting age and structural development. The geological setting and principal results of the drilling a...

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Published in:Philosophical transactions of the Royal Society of London. Series A: Mathematical and physical sciences 1980-01, Vol.294 (1409), p.65-75
Main Authors: Roberts, D. G., Montadert, L., Thompson, R. W., Auffret, G. A., Lumsden, D. N., Kagami, H., Timofeev, P. P., Muller, Carla, Bock, W. D., DuPeuble, P. A., Schnitker, D., Hailwood, E. A., Harrison, W., Thompson, T. L.
Format: Article
Language:English
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Summary:During Leg 48 of the IPOD phase of the Deep Sea Drilling Project, seven holes were drilled on the margins of the Bay of Biscay and Rockall Plateau to compare the evolution of passive margins of contrasting age and structural development. The geological setting and principal results of the drilling are outlined for each margin. We discuss the history of rifting and subsidence on these margins in relation to the sea floor spreading history of the adjacent ocean basins. Implications of the results for the nature of unconformities at passive margins and anoxic episodes during the Lower Cretaceous are discussed briefly.
ISSN:0080-4614
2054-0272
DOI:10.1098/rsta.1980.0013