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Book Chapter

North Atlantic margins. The Porcupine Basin and adjacent areas

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Published:
January 01, 2016

Abstract

In response to the disintegration of Pangaea in the late Palaeozoic, with crustal extension propagating episodically northwards from the central Atlantic (Johnston et al. 2001), a series of extensional sedimentary rift basins developed on the continental shelf west and north of Ireland, forming a North Atlantic borderland basin system. The structural framework was largely inherited from Caledonian and older tectonic lineaments. These basins include the Porcupine Basin, and the Slyne, Erris and Rockall Troughs. The detailed depositional history varies from basin to basin, but overall patterns are similar. Basin development began in the Permian or Triassic, with the main rifting phase in the Late Jurassic and Early Cretaceous. This was followed by post-rift subsidence of the major basins, mostly to bathyal depths, in the early Cenozoic, interrupted by several Cenozoic episodes of regional uplift or tilting (Naylor & Shannon 2005; Praeg et al. 2005; Stoker et al. 2010).

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Geological Society, London, Special Reports

A revised correlation of Tertiary rocks in the British Isles and adjacent areas of NW Europe

C. King
C. King
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A. S. Gale
A. S. Gale
School of Earth & Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, UK
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T. L. Barry
T. L. Barry
Department of Geology, University of Leicester, University Road, Leicester LE1 7RH, UK
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Geological Society of London
Volume
27
ISBN electronic:
9781862397071
Publication date:
January 01, 2016

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