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Dating Historical Contexts: Issues, Plant Material, and Methods to Date the Late Roman Site of Faragola, Apulia (SE Italy)

Published online by Cambridge University Press:  09 February 2016

V Caracuta*
Affiliation:
Laboratory of Archaeobotany and Paleoecology (L.A.P.), Università del Salento, via D. Birago 64, 73100 Lecce, Italy D-Reams Radiocarbon Laboratory, Weizmann Institute of Science, Herzl Street 274, 76100 Rehovot, Israel
G Fiorentino
Affiliation:
Laboratory of Archaeobotany and Paleoecology (L.A.P.), Università del Salento, via D. Birago 64, 73100 Lecce, Italy
M Turchiano
Affiliation:
Department of Human Science (DISCUM), Università di Foggia, via Arpi 176, 71121 Foggia, Italy
G Volpe
Affiliation:
Department of Human Science (DISCUM), Università di Foggia, via Arpi 176, 71121 Foggia, Italy
*
Corresponding author. Email: valentina.caracuta@weizmann.ac.il.

Abstract

Charred plant materials found in archaeological contexts are usually considered the most reliable remains for radiocarbon dating. Usually, seeds and fruits are preferred to wood fragments because their short lifecycle reduces the range of uncertainty of the 14C measurement. A selection of short-lived samples, mainly from barley and wheat, from the Late Roman site of Faragola (SE Italy) were 14C dated; however, the 14C dates obtained were not always consistent with the chronology provided by other archaeological evidence. A careful analysis of all the macrobotanical remains found in each of the dated contexts provides insight into the origin of the plant material, helping to distinguish between in situ and non-in situ material. The 14C dates are reconsidered in the context of findings and the kind of material selected for dating. Using the archaeological context, a Bayesian model was employed to reduce the range of the calibrated date and thereby refine the chronology of the site on an absolute basis.

Type
Methodology: Tree Rings and Plants
Copyright
Copyright © 2014 by the Arizona Board of Regents on behalf of the University of Arizona 

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