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Revised Chronostratigraphy of the Faroe Islands Basalt Group and the British Palaeogene Igneous Province: Implications for Selandan-Thanetian Palynofloral Assemblages And

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Revised Chronostratigraphy of the Faroe Islands Basalt Group and the British Palaeogene Igneous Province: Implications for Selandan-Thanetian Palynofloral Assemblages And CR/18/031031 Last modified: 2018/04/24 09:26 Revised chronostratigraphy of the Faroe Islands Basalt Group and the British Palaeogene Igneous Province: implications for Selandian-Thanetian palynofloral assemblages and correlation with the Faroe-Shetland Basin Energy Systems and Basin Analysis Programme Commissioned Report CR/18/031 CR/18/031031 Last modified: 2018/04/24 09:26 CR/18/031031 Last modified: 2018/04/24 09:26 BRITISH GEOLOGICAL SURVEY ENERGY SYSTEMS AND BASIN Analysis PROGRAMME COMMISSIONED REPORT CR/18/031 Revised chronostratigraphy of the Faroe Islands Basalt Group and The National Grid and other the British Palaeogene Igneous Ordnance Survey data © Crown Copyright and database rights 2018. Ordnance Survey Licence Province: implications for No. 100021290 EUL. Keywords Selandian-Thanetian palynofloral biostratigraphy, palynology, Palaeogene, Faroe-Shetland Basin, biostratigraphy, assemblages and correlation with radioisotopic dating. the Faroe-Shetland Basin Front cover Bibliographical reference Uni Árting, Dan Condon, James B. Riding and Morten S. Riishuus ÁRTING, U, Condon, D., Riding, J.B., Riishuus, M.S.. 2018. Revised chronostratigraphy of the Faroe Islands Basalt Group and the British Palaeogene Igneous Province: implications for Selandian-Thanetian palynofloral assemblages and correlation with the Faroe- Shetland Basin. British Geological Survey Commissioned Report, CR/18/031. 114pp. Copyright in materials derived from the British Geological Survey’s work is owned by the Natural Environment Research Council (NERC) and/or the authority that commissioned the work. You may not copy or adapt this publication without first obtaining permission. Contact the BGS Intellectual Property Rights Section, British Geological Survey, Keyworth, e-mail [email protected]. You may quote extracts of a reasonable length without prior permission, provided a full acknowledgement is given of the source of the extract. Maps and diagrams in this book use topography based on Ordnance Survey mapping. © NERC 2018. All rights reserved Keyworth, Nottingham British Geological Survey 2018 CR/18/031031 Last modified: 2018/04/24 09:26 BRITISH GEOLOGICAL SURVEY The full range of our publications is available from BGS shops at British Geological Survey offices Nottingham, Edinburgh, London and Cardiff (Welsh publications only) see contact details below or shop online at www.geologyshop.com BGS Central Enquiries Desk Tel 0115 936 3143 Fax 0115 936 3276 The London Information Office also maintains a reference collection of BGS publications, including maps, for consultation. email [email protected] We publish an annual catalogue of our maps and other publications; this catalogue is available online or from any of the BGS shops. Environmental Science Centre, Keyworth, Nottingham NG12 5GG The British Geological Survey carries out the geological survey of Tel 0115 936 3241 Fax 0115 936 3488 Great Britain and Northern Ireland (the latter as an agency service email [email protected] for the government of Northern Ireland), and of the surrounding continental shelf, as well as basic research projects. It also undertakes programmes of technical aid in geology in developing countries. The Lyell Centre, Research Avenue South, Edinburgh EH14 4AP The British Geological Survey is a component body of the Natural Environment Research Council. Tel 0131 667 1000 Fax 0131 668 2683 email [email protected] Natural History Museum, Cromwell Road, London SW7 5BD Tel 020 7589 4090 Fax 020 7584 8270 Tel 020 7942 5344/45 email [email protected] Columbus House, Greenmeadow Springs, Tongwynlais, Cardiff CF15 7NE Tel 029 2052 1962 Fax 029 2052 1963 Maclean Building, Crowmarsh Gifford, Wallingford OX10 8BB Tel 01491 838800 Fax 01491 692345 Geological Survey of Northern Ireland, Department of Enterprise, Trade & Investment, Dundonald House, Upper Newtownards Road, Ballymiscaw, Belfast, BT4 3SB Tel 028 9038 8462 Fax 028 9038 8461 www.bgs.ac.uk/gsni/ Parent Body Natural Environment Research Council, Polaris House, North Star Avenue, Swindon SN2 1EU Tel 01793 411500 Fax 01793 411501 www.nerc.ac.uk Website www.bgs.ac.uk Shop online at www.geologyshop.com CR/18/031031 Last modified: 2018/04/24 09:26 Contents Contents .......................................................................................................................................... i Figures ........................................................................................................................................... iii Tables ............................................................................................................................................. v Summary ...................................................................................................................................... vii 1 Introduction ............................................................................................................................ 8 2 Overall Background ............................................................................................................. 14 3 Geological Background ........................................................................................................ 15 3.1 The Faroe Islands ......................................................................................................... 15 3.2 Mull and Skye, Inner Hebrides, Northwest Scotland ................................................... 16 Mull ........................................................................................................................... 18 The Ardtun Leaf Beds ............................................................................................... 19 Skye ........................................................................................................................... 22 3.3 Northern Ireland ........................................................................................................... 24 4 Palynology ............................................................................................................................. 25 4.1 Mull, Inner Hebrides, Northwest Scotland ................................................................... 25 The Pulpit Rock, Carsaig Bay, south Brolass, southwest Mull ................................ 25 Malcolm’s Point, south Brolass, southwest Mull ..................................................... 26 Carraig Mhor, Carsaig Arches, southwest Mull ....................................................... 26 The Ardtun Leaf Beds of Ardtun Head, north Brolass, southwest Mull .................. 27 A biostratigraphical overview of the samples from Mull ......................................... 28 4.2 Skye, Inner Hebrides, Northwest Scotland .................................................................. 30 Near Camas Tianavaig, Sound of Raasay, east central Skye .................................... 30 Carbost Burn Waterfall, Carbost, southwest of Loch Harport, west central Skye ... 31 Dunn Beag, north of Loch Harport, west central Skye ............................................. 31 Preshal Beag and Preshal Mhor, Skye ...................................................................... 31 A biostratigraphical overview of the samples from Skye ......................................... 31 4.3 Northern Ireland ........................................................................................................... 32 4.4 Faroe Islands................................................................................................................. 33 Vágóy, Eysturoy and Streymoy ................................................................................ 33 4.4.1.1 Miðvágur Quarry ................................................................................................ 34 4.4.1.2 Sandavágshálsur (onshore) ................................................................................. 35 4.4.1.3 Vestmanna-1 Well (Onshore scientific well) ..................................................... 36 4.4.1.4 Klivarnar, Leynavatn .......................................................................................... 36 4.4.1.5 Sund Quarry ....................................................................................................... 37 Suðuroy ..................................................................................................................... 37 4.4.2.1 Holið í Helli, Suðuroy (onshore Faroe Islands) ................................................. 38 4.4.3 The Longan Well (OCS 6005/15-1), offshore Faroe Islands ........................................ 42 The Marjun Well (OCS 6004/16-1Z), offshore Faroe Islands .................................. 44 The Svinoy Well (OCS 6004/12-1), offshore Faroe Islands ..................................... 44 5 Stable Isotope analysis ......................................................................................................... 47 6 Radio-isotopic dating ........................................................................................................... 47 i CR/18/031031 Last modified: 2018/04/24 09:26 6.1 British paleogene igneous province ............................................................................. 50 Mull and the Small Isles, Inner Hebrides, Northwest Scotland ................................ 50 Isle of Skye, Inner Hebrides, Northwest Scotland .................................................... 55 Northern Ireland .......................................................................................................
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