In search of homelands: using strontium isotopes to identify biological markers of mobility in late prehistoric Portugal

Anna J Waterman; David W Peate; Ana Maria Silva; Jonathan T Thomas

doi:10.1016/j.jas.2013.11.004

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In search of homelands: using strontium isotopes to identify biological markers of mobility in late prehistoric Portugal

Journal article

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In search of homelands: using strontium isotopes to identify biological markers of mobility in late prehistoric Portugal

Anna J Waterman, David W Peate, Ana Maria Silva and Jonathan T Thomas

Journal of Archaeological Science, Vol.42(1), pp.119-127

02/2014

DOI: 10.1016/j.jas.2013.11.004

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Abstract

This study uses strontium isotopes (87Sr/86Sr) in dental enamel from burial populations related to the fortified Chalcolithic settlement site of Zambujal (c. 2800–1800 BC) to distinguish the presence of non-local individuals. Zambujal is located in the Estremadura region of Portugal near the Atlantic coast and has long been considered a central location of population aggregation, craft production, and trade during a time of increasing political centralization and social stratification until its eventually abandonment during the Bronze Age. While it is assumed that population migration and long distance trade played an important role in the region's development, little is known about the migration patterns of individuals or groups. The results of this study find that nine percent (5 out of 55) of the total surveyed individuals can be classified as non-local (based on 87Sr/86Sr values distinct from the local bioavailable range of 0.7090–0.7115 as defined by 2sd of the sampled human mean), the majority of which come from one burial site, Cova da Moura. Comparisons with other regional data suggest the possibility that some of these non-locals come from the Alentejo region of the Portuguese interior, corresponding with known exchange patterns. •We use strontium isotopes (87Sr/86Sr) from dental enamel to distinguish non-local individuals.•Samples were taken from burials near the Chalcolithic (2800–1800 BC) site of Zambujal, Portugal.•Zambujal was associated with production, trade, political centralization and social inequality.•We found that 9% (5/55) of individuals are non-local based on 87Sr/86Sr values from local fauna.•87Sr/86Sr data suggest non-locals came from the Alentejo, reflecting known exchange patterns.

Iberia

Migration

Zambujal

Strontium isotopes

Neolithic/Copper Age

Details

Title: Subtitle: In search of homelands: using strontium isotopes to identify biological markers of mobility in late prehistoric Portugal
Creators: Anna J Waterman - The University of Iowa, Department of Anthropology, 114 Macbride Hall, Iowa City, IA 52242, USA
David W Peate - University of Iowa, Department of Earth & Environmental Sciences, 121 Trowbridge Hall, Iowa City, IA 52242, USA
Ana Maria Silva - University of Coimbra, Department of Life Sciences, University of Coimbra, Coimbra 3001-401, Portugal
Jonathan T Thomas - The University of Iowa, Department of Anthropology, 114 Macbride Hall, Iowa City, IA 52242, USA
Resource Type: Journal article
Publication Details: Journal of Archaeological Science, Vol.42(1), pp.119-127
DOI: 10.1016/j.jas.2013.11.004
ISSN: 0305-4403
eISSN: 1095-9238
Publisher: Elsevier Ltd
Grant note: name: Archaeological Institute of America Archaeology of Portugal Fellowship; name: T. Anne Cleary Dissertation Fellowship
Language: English
Date published: 02/2014
Academic Unit: Earth and Environmental Sciences; Honors Program; Rhetoric
Record Identifier: 9983983666902771

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