SHAPE RECONSTRUCTION OF THE PLEISTOCENE/HOLOCENE UNCONFORMITY IN THE GROSSETO ALLUVIAL PLAIN (TUSCANY, ITALY)
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Abstract
Biserni G., Berendsen J.A.H. and Sandrelli F., Shape reconstruction of the Pleistocene/Holocene unconformity in the
Grosseto alluvial plain (Tuscany, Italy) (IT ISSN 0394-3356, 2004)
One hundred two boreholes were drilled in Grosseto alluvial plain (Tuscany, Italy). Coring evidence shows a sharp lithological change
that is interpreted as a Pleistocene/Holocene unconformity. This suggests the presence of a paleovalley that was eroded by the
Ombrone river during the last glacial interval. Radiocarbon samples and surface’s geometry of lithological changes corroborate this
explanation.
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