Abstract
More than 500m of Namurian strata is exposed on Whiddy Island, west Cork, in the axial portion of the Bantry Syncline. Three formations make up a conformable sequence that shows a general upward increase in the amount of sandstone. The rocks of the island are mainly litharenitic and sublitharenitic sandstones and dark mudrocks of deep-water aspect. These sediments are interpreted as representing, in upward sequence, basin-plain, fan-fringe, interchannel and channel/channelmouth turbidite facies, filling the basin longitudinally from the east. Their significance in terms of basin development is discussed. The Whiddy Island Namurian sediments were possibly derived by erosion of Dinantian strata exposed on intrabasinal highs lying both north and south of the basin.
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