Cromer Forest Bed
The Cromer Forest Bed formation is exposed at intervals along the coast of Norfolk and Suffolk, from Weybourne to Kessingland. The forest bed was formed in the Quaternary Period and dates to between 780,000 and 450,000 years ago, within the Cromerian Stage of the Pleistocene. For many years the bed, named after the local town of Cromer, has been famous for its assemblage of fossil mammal remains, containing, for example, isolated bones and teeth, jaw bones, and the antlers of deer. Although most of the forest bed is now obscured by coastal defence, the Cromer Forest Bed continues to be eroded and is rich in fossils including the skeletal remains of the West Runton Mammoth which was discovered in 1990. [1][2][3]
The sediments deposited precede those of the Anglian Stage and are on top of Beestonian Stage. Based upon the beginning of Marine Isotope Stage 21 and the end of Marine Isotope Stage 13, the Cromerian Complex started 866,000 years ago and ended 478,000 years ago.[4][5]
See also
References
- ^ NY Times
- ^ Guardian News
- ^ Royal Anthropological Institute of Great Britain and Ireland (1931)
- ^ Lisiecki, L.E., 2005, Ages of MIS boundaries. LR04 Benthic Stack Boston University, Boston, MA
- ^ Lisiecki, L.E., and M.E. Raymo, 2005, A Pliocene-Pleistocene stack of 57 globally distributed benthic d18O records. Paleoceanography. vol. 20, PA1003, doi:10.1029/2004PA001071
Further reading
- Bowen, D.Q., 1978, Quaternary geology: a stratigraphic framework for multidisciplinary work. Pergamon Press, Oxford, United Kingdom. 221 pp. ISBN 978-0-08-020409-3
- West, R.G., 1980, The pre-glacial Pleistocene of the Norfolk and Suffolk Coasts Cambridge University Press. ISBN 0-521-21962-0
- Ehlers, J., P. L. Gibbard, and J. Rose, eds., 1991, Glacial deposits in Great Britain and Ireland Balkema, Rotterdam. 580 pp ISBN 978-90-6191-875-2
- Mangerud, J., J. Ehlers, and P. Gibbard, 2004, Quaternary Glaciations: Extent and Chronology 1: Part I Europe, Elsevier, Amsterdam. ISBN 0-444-51462-7
- Sibrava, V., Bowen, D.Q, and Richmond, G.M., 1986, Quaternary Glaciations in the Northern Hemisphere, Quaternary Science Reviews, vol. 5, pp. 1-514.
External links
Gibbard, P.L., S. Boreham, K.M. Cohen and A. Moscariello, 2007, Global correlation tables for the Quaternary, Subcommission on Quaternary Stratigraphy, Department of Geography, University of Cambridge, Cambridge, England.
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