Engineering Geology of British Rocks and Soils - Lias Group LAND USE, PLANNING AND DEVELOPMENT PROGRAMME Internal Report OR/12/032 BRITISH GEOLOGICAL SURVEY LAND USE, PLANNING AND DEVELOPMENT PROGRAMME INTERNAL REPORT OR/12/032 Engineering Geology of British Rocks and Soils - Lias Group The National Grid and other Ordnance Survey data are used P. R. N Hobbs, D. C. Entwisle, K. J. Northmore, M. G. Sumbler, with the permission of the Controller of Her Majesty’s L. D. Jones, S. Kemp, S. Self, M. Barron, J. L. Meakin Stationery Office. Licence No: 100017897/2012. Contributor/editor Keywords Lias, geology, geotechnics, K. J. Northmore geohazards, mineralogy, hydrogeology, mudrocks, engineering properties. Front cover Top left – Mulgrave Shale Member at Runswick Bay, Norht Yorkshire; Top right – Lias formations at Robin Hood’s Bay, North Yorkshire; Bottom – Black Ven Marl Formation at Stonebarrow, Dorset. Bibliographical reference HOBBS, P. R. N. ET AL. 2012. Engineering Geology of British Rocks and Soils - Lias Group. British Geological Survey Internal Report, OR/12/032. 323pp. 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.