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Strontium isotope investigation of human mobility based on teeth from Cave T1
Book chapter   Open access

Strontium isotope investigation of human mobility based on teeth from Cave T1

Ian Moffat, Renaud Joannes-Boyau, Les Kinsley, Malte Willmes and Rainer Grün
Tell es-Safi/Gath II: Excavations and Studies, pp.227-245
Zaphon
2020
DOI: https://doi.org/10.31219/osf.io/sxkbd
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AcceptedCC BY V4.0,  Open Access
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AcceptedCC BY V4.0,  Open

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Abstract

Archaeology -- Israel -- Methodology Caves -- Eretz Israel Human remains (Archaeology) -- Eretz Israel Safi, Tell es- (Israel) -- Antiquities Strontium -- Isotopes Teeth
Seven adult human teeth from Cave T1 were analysed for trace element concentrations using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) and strontium isotope compositions using Laser Ablation Multi-Collector Inductively Coupled Plasma Mass Spectrometry (LA-MC-ICPMS). The aim of this study was to examine whether the people buried in Cave T1 were of local or foreign origin, given the known connection of Philistine Tell es-Safi/ Gath with the Aegean, Cyprus and Anatolia (e.g., Maeir 2012). The results for the burial cave specimens were compared to bioavailable 87Sr/86Sr values obtained from soil and rock samples from key geological units throughout Israel. This comparison shows that at least four of the individuals have 87Sr/86Sr values that correspond to the area immediately surrounding the site. The remaining samples analysed in this study have 87Sr/86Sr values that do not correspond to any mapped samples from Israel. This result is explained not by mobility, but as an artifact of the very low strontium concentration in these teeth, which precludes an effective correction for isobaric interferences during laser ablation analysis.

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