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Geoffrey Clayton, John R. Graham, Kenneth T. Higgs, George D. Sevastopulo & Anthony Welsh

Late Devonian and Early Carboniferous palaeogeography of Southern Ireland and Southwest Britain

(Volume 109 (1986) — Fascicule 1 (Late Devonian events around the Old Red Continent))
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Résumé

En Grande Bretagne et en Irlande, pendant le Strunien et le début du Carbonifère, une transgression amène progressivement des environnements marins vers le Nord où ils recouvrent le continent O.R.S. La transgression semble épisodique mais les causes sous-jacentes au déplacement vers le Nord de la ligne de rivage sont difficiles à mettre en évidence. Dans le Sud de l'Irlande et le Sud-Ouest de l'Angleterre, la subsidence a été très rapide mais il est suggéré que certaines des phases transgressives, en particulier celle du Strunien tardif, de la base du Carbonifère et du Tournaisien moyen, ont pu être provoquées par des mouvements eustatiques du niveau de la mer.

Abstract

During the Strunian and early Carboniferous, a marine transgression brought marine conditions progressively northward over the former Old Red Sandstone Continent in Britain and Ireland. The progress of the transgression is found to have been episodic, but the causes underlying the northward shift of the shore line are difficult to assess. Subsidence in the south of Ireland and in southwest England was very rapid, but there is a suggestion that some of the transgressive pulses, particularly those in the late Strunian, at the base of the Carboniferous and within the Middle Tournaisian, may have been caused by eustatic movements of sea level.

Para citar este artículo

Geoffrey Clayton, John R. Graham, Kenneth T. Higgs, George D. Sevastopulo & Anthony Welsh, «Late Devonian and Early Carboniferous palaeogeography of Southern Ireland and Southwest Britain», Annales de la Société géologique de Belgique [En ligne], Volume 109 (1986), Fascicule 1 (Late Devonian events around the Old Red Continent), 103-111 URL : https://popups.uliege.be/0037-9395/index.php?id=2397.

Acerca de: Geoffrey Clayton

Department of Geology, Trinity College, Dublin 2, Ireland.

Acerca de: John R. Graham

Department of Geology, Trinity College, Dublin 2, Ireland.

Acerca de: Kenneth T. Higgs

Geological Survey  of  Ireland, Beggar's Bush, Haddington Road, Dublin 4, Ireland.

Acerca de: George D. Sevastopulo

Department of Geology, Trinity College, Dublin 2, Ireland.

Acerca de: Anthony Welsh

B.P. Research Centre, Sunbury on Thames. Middlesex TW 16 LN, England.