By R. N. Mortimore, A. Duperret
Lots of the rocky coastlines world wide are topic to energetic erosion approaches. as a result of the starting to be danger to neighborhood groups from coastal cliff retreat, it's important to enquire the place, while and the way cliffs cave in. the result of those reviews are important for the planners and native gurus chargeable for protection and entry to cliffs and seashores. This quantity makes a speciality of the coastal chalk cliffs of the English Channel, the place a multidisciplinary strategy has been used to appreciate lively coastal cliff recession. The booklet is equipped round 3 major topics: the geological elements controlling cliff instability, the marine parameters influencing coastal erosion and using a few new instruments for danger exams. This publication might be of use to teachers and execs engaged on rocky shorelines, with an curiosity in sedimentary geology, stratigraphy, tectonics, geomorphology, engineering geology, coastal engineering and GIS. additionally on hand: construction Stone Decay: From analysis to Conservation - detailed book no 271 - ISBN 1862392188 Mapping in Engineering Geology (Key concerns in Earth Sciences) - ISBN 1862391017 The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on this planet, and one of many biggest publishers within the Earth sciences.The Society publishes quite a lot of top quality peer-reviewed titles for lecturers and execs operating within the geosciences, and enjoys an enviable overseas acceptance for the standard of its work.The many components during which we post in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic reports and geochemistry-Remote sensing-History of geology-Regional geology publications
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Additional resources for Coastal Chalk Cliff Instability (Geological Society Engineering Geology Special Publication No. 20)
Dissolution pipes become progressively better developed (Fig. 16) and more influential on cliff stability along the crest-line of the cliff from east (Hope Gap) to west (the Castrum). The section exposed is almost parallel to the strike direction, hence the same beds are present along the cliff, except where faults locally offset the stratigraphy. However, the cliff becomes higher from east to west (from 30 to >75 m high), preserving younger Chalk and creating a greater hazard in areas with more extensive dissolution pipes.
Report for Lewes District Council, 12/01/2001. MORTIMORE, R. N. & POMEROL, B. 1987. Correlation of the Upper Cretaceous White Chalk (Turonian to Campanian) in the Anglo-Paris Basin. Proceedings of the Geologists'Association, 98, 97-143. MORTIMORE, R. , POMEROL,B, & FOORD, R. J. 1990. Engineering stratigraphy and palaeogeography of the Chalk of the AngloParis Basin. In. BURLAND,J. , MORTIMORE,R. , ROBERTS, L. , JONES,B. L. & CORBETT,B. O. (eds). Chalk. Proceedings of the International Chalk Symposium, Brighton Polytechnic, 1989.
Pipes also contain metastable silt and clay that can collapse unexpectedly, particularly when wet. The same metastable material fills fractures enhancing failures of blocks of chalk. Slope failures in dry valley-fills and related rocks: Quaternary processes and sediments: dry valleys, river terrace deposits and the Brighton Raised Beach (Hazard Class 8) The cliff line from Eastbourne to Brighton truncates a number of dry valleys. These valleys are generally low points giving public access to the foreshore where any hazard related to instability, however small, is important to public safety.