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Author
J. Sevink
M.J. van Bergen
J. van der Plicht
H. Feiken
C. Anastasia
A. Huizinga
Year
2011
Title
Robust date for the Bronze Age Avellino eruption (Somma-Vesuvius): 3945 +/-10 calBP (1995 +/- 10 calBC)
Journal
Quaternary Science Reviews
Volume | Issue number
30 | 9-10
Pages (from-to)
1035-1046
Document type
Article
Faculty
Faculty of Science (FNWI)
Institute
Institute for Biodiversity and Ecosystem Dynamics (IBED)
Abstract
We found Bronze Age lake sediments from the Agro Pontino graben (Central Italy) to contain a thin (2-3 cm) continuous tephra layer composed of lithics, crystals and minor volcanic glass. Tephrochronological and compositional constraints strongly suggest that this layer represents the Avellino pumice eruption, which has also been identified in Central Italian lake cores. Its provenance is corroborated by electron-microprobe analyses performed on juvenile pumice grains, showing that the tephra layer is probably the distal equivalent of the EU2 event of the Avellino eruption. We used multiple 14C age estimations of two lacustrine sequences with intercalated tephra layer, from the western border zone (Migliara 44.5) and the centre of the former lake (Campo Inferiore), for in tandem dating of this eruption, employing the OxCal code, which yielded a robust age of 3945 ± 10 calBP (1995 ± 10 calBC). To date, this is the only study providing both a terminus post and terminus ante quem of this precision, also demonstrating the advantage of dating distal tephra layers in a clear stratigraphic context over proximal deposits in sequences with major stratigraphic hiatuses. Our new results underscore the importance of the Avellino tephra layer as a precise time marker for studies on the Early Bronze Age of Central Italy.

URL
go to publisher's site
Language
English
Permalink
http://hdl.handle.net/11245/1.360287

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