Lithofacies and stratigraphy of a Dinantian non-marine dolostone from the Lower Oil-Shale Group of Fife and West Lothian

Maddox, SJ and Andrews, JE (1987) Lithofacies and stratigraphy of a Dinantian non-marine dolostone from the Lower Oil-Shale Group of Fife and West Lothian. Scottish Journal of Geology (23). pp. 129-147. ISSN 2041-4951

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Abstract

A Dinantian Lower Oil-Shale Group sedimentary rock sequence from Colinswell in the Burntisland district of Fife contains sandstones, shales and carbonate rocks. From facies analysis the sandstones are interpreted as proximal deltaic channel-mouth bars whilst the shales and carbonates represent low-salinity interdistributary bay facies. One distinctive dolostone unit which is laminated and brecciated is interpreted as a former stromatolitic mudflat which underwent subaerial exposure and desiccation. Given the general stratigraphic position of this sequence between the established marker horizons of the Burntisland Marine Band (= Pumpherston Shell Bed) and the Burdiehouse Limestone, rocks of similar age, the Queensferry Beds, were studied at outcrop in West Lothian. At both South Queensferry and Hopetoun (West Lothian) a remarkably similar dolostone unit to that at Burntisland was identified within the Queensferry Beds. It is proposed that these dolostone beds are lateral equivalents, formed during a basin-wide ‘regressive event’. Correlation of the dolostones not only improves the local Lower Oil-Shale Group stratigraphy, it provides a time marker from which to analyse local facies variation in the underlying and overlying delta-derived sandstones.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia > Faculty of Science > Research Groups > Environmental Earth Sciences
University of East Anglia > Faculty of Science > Research Groups > Geosciences and Natural Hazards
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Depositing User: Rachel Snow
Date Deposited: 03 Mar 2011 13:58
Last Modified: 25 Jul 2018 08:22
URI: https://ueaeprints.uea.ac.uk/id/eprint/25623
DOI: 10.1144/sjg23020129

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