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WIGGLE-MATCH DATING OF A FLOATING OAK CHRONOLOGY FROM AN EARLY IRON AGE GRAVE CONSTRUCTION (ERESZTVÉNYI FOREST, FEHÉRVÁRCSURGÓ, HUNGARY)
Published online by Cambridge University Press: 25 August 2021
Abstract
Archaeological excavations unearthed three burial mounds between 1983 and 1986 at Fehérvárcsurgó (Hungary). Based on the archaeological determination the site was dated to the Early Iron Age. A complex wooden architecture was observed in the largest tumulus containing inner and outer beam constructions separated by stone blocks. Dendrochronological and radiocarbon (14C) analyses were performed on conserved logs (n=5) to constrain the felling date of the timber, identified as oak, and the construction period of the tumuli. The four longest ringwidth series were synchronized providing a 153-yr-long floating chronology. Five blocks were removed from the cross sections and accelerator mass spectrometry (AMS) 14C analysis was performed on the separated α-cellulose. A wiggle-matching procedure was employed as the 14C ages were in agreement with their relative position in the tree-ring sequence and concurred with the expected archaeological period. The calibrated age range of the last extant ring is 747–707 cal BC (95.4%). The earliest possible felling date of the trees used in the construction was between 735 and 695 BC considering the missing sapwood. This is the first 14C dated tree-ring width chronology from the Early Iron Age in Hungary providing a valuable reference for dendroarchaeological studies along the eastern border of the Hallstatt Culture.
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- © The Author(s), 2021. Published by Cambridge University Press for the Arizona Board of Regents on behalf of the University of Arizona
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