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Sédimentation, volcanisme et présence humaine dans le bassin de Venosa (Basilicata, Italie) au Pléistocene moyen : exemple du site de Notarchirico.

Abstract : Direct tecto-volcanism is the main process involved in the sedimentary filling of the Venosa lacustrine Basin. The former interpretations had insisted on sedimentary process and un-derestimated distal volcanic facies which can be residuals and make more difficult correlation attempts. The sedimentary series exposed at the Notarchirico Middle Pleistocene prehistoric site is interpreted as the superposition of initially positive grading sequences which failed because of a general trend to negative grading deposition due to the volcanic activity. Several volcanic episodes represented by pumice falls and coarse and fine ash-falls and following epiclastic processes have interrupted the lacustrine sedimentation and induced specific environmental transformations. The sequences are separated by stone pavements which represent polygenic surfaces considered as stratigraphic hiatus. Hominids were present immediatly after every volcanic event and this can be considered as an opportunist exploitation of volcanic environment.
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https://halshs.archives-ouvertes.fr/halshs-00004439
Contributor : Jean-Paul Raynal Connect in order to contact the contributor
Submitted on : Thursday, August 4, 2005 - 11:43:57 AM
Last modification on : Monday, October 11, 2021 - 10:26:03 AM
Long-term archiving on: : Thursday, April 1, 2010 - 10:11:35 PM

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  • HAL Id : halshs-00004439, version 1

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David Lefevre, Jean-Paul Raynal, Gérard Vernet, Thierry Pilleyre, Marcello Piperno, et al.. Sédimentation, volcanisme et présence humaine dans le bassin de Venosa (Basilicata, Italie) au Pléistocene moyen : exemple du site de Notarchirico.. Bulletin de la Société Préhistorique Française, Société Préhistorique Française, 1994, tome 91 (2), pp.103-112. ⟨halshs-00004439⟩

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