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The role of cryptotephra in refining the chronology of Late Pleistocene human evolution and cultural change in North Africa

Abstract

Sites in North Africa hold key information for dating the presence ofHomo sapiens and the distribution of Middle Stone Age (MSA), Middle Palaeolithic (MP) and Later Stone Age (LSA) cultural activity in the Late Pleistocene. Here we present new and review recently published tephrochronological evidence for five cave sites in North Africa with long MSA/MP and LSA cultural sequences. Four tephra horizons have been identified at the Haua Fteah (Cyrenaica, Libya). They include cryptotephra evidence for the Campanian Ignimbrite (CI) eruption dating to ~39 ka that allows correlation with other Palaeolithic sequences in the eastern Mediterranean and as far north as Russia. Cryptotephra have also been recorded from the Moroccan sites of Taforalt, Rhafas and Dar es-Soltane 1. At Taforalt the geochemical composition suggests a provenance in the Azores, while examples from Sodmein (Egypt) appear to derive from central Anatolia and another unknown source. In these latter examples chemical compositional data from relevant proximal volcanic centres is currently lacking so the identification of tephra in layers of known age and cultural association provides the first reliable age determinations for distal volcanic events and their geographical extent. The future potential for tephrochronological research in North Africa is also discussed.

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pdf Barton, Lane et al. 2015 - The role of cryptotephra.pdf Accessed 59 times | Last updated 04.11.2016

Bibliography

Barton, R.N.E., Lane, C.S., Albert, P.G., White, D., Coullcutt S.N., Bouzouggar, A., Ditchfield P., Farr, L., Oh, A., Ottolini, L., Smith, V.C., van Peer, P., Kindermann, K. (in press, 2015) The role of cryptotephra in refining the chronology of Late Pleistocene human evolution and cultural change in North Africa. Quaternary Science Reviews.

Authors Barton, R.N.E. and Lane, C.S. and Albert, P.G. and White, D. and Coullcutt S.N. and Bouzouggar, A. and Ditchfield P. and Farr, L. and Oh, A., Ottolini and L., Smith, V.C. and van Peer, P. and Kindermann, K.
Type article
Title The role of cryptotephra in refining the chronology of Late Pleistocene human evolution and cultural change in North Africa
Citation Barton, R.N.E., Lane, C.S., Albert, P.G., White, D., Coullcutt S.N., Bouzouggar, A., Ditchfield P., Farr, L., Oh, A., Ottolini, L., Smith, V.C., van Peer, P., Kindermann, K. (in press, 2015) The role of cryptotephra in refining the chronology of Late Pleistocene human evolution and cultural change in North Africa. Quaternary Science Reviews.
DOI 10.1016/j.quascriev.2014.08.008
Journal Quaternary Science Reviews
Year 2015
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