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. 2023 Jun;181(2):231-249.
doi: 10.1002/ajpa.24742. Epub 2023 Apr 6.

First insights into human mobility in Neolithic Belgium using strontium isotopic analysis and proteomics: A case study of Grotte de La Faucille (Sclayn, province of Namur)

IJk van Hattum  1 , Marta Costas-Rodríguez  2 , Kasper Hobin  2 , Frank Vanhaecke  2 , Hans Vandendriessche  3 , Hélène Collet  4 , Pierre Cattelain  5   6 , Michel Toussaint  7 , Quentin Goffette  8 , Maarten Dhaenens  9 , Jessica L A Palmer  1   9 , Simon Daled  9 , Philippe Crombé  3 , Isabelle De Groote  1
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First insights into human mobility in Neolithic Belgium using strontium isotopic analysis and proteomics: A case study of Grotte de La Faucille (Sclayn, province of Namur)

IJk van Hattum et al. Am J Biol Anthropol. 2023 Jun.

Abstract

Objectives: So far, no 87 Sr/86 Sr mobility studies have been done for Neolithic remains from Belgium and information on the Sr isotopic variability in the region is scarce. This study aims to explore mobility in a Final Neolithic population from the funerary cave 'Grotte de La Faucille', contribute to the understanding of the isotopic composition of bioavailable Sr in Belgium, assess evidence for male mobility using proteomic analysis, and explore possible places of origin for nonlocal individuals.

Materials and methods: The 87 Sr/86 Sr isotope ratio of dental enamel from six adults and six juveniles was determined. Liquid chromatography mass spectrometry-based protein analysis was employed to identify individuals of male biological sex. 87 Sr/86 Sr of micromammal teeth, snail shells, and modern plants from three geological areas in Belgium were measured to establish isotopic signatures for bioavailable strontium. Nonlocality was assessed by comparing human 87 Sr/86 Sr isotope ratios to the 87 Sr/86 Sr range for bioavailable Sr.

Results: Four individuals yielded 87 Sr/86 Sr isotope ratios consistent with a nonlocal origin. No statistical differences were found between adults and juveniles. Three males were detected in the sample set, of which two show nonlocal 87 Sr/86 Sr values.

Discussion: This study provides evidence for mobility in Final Neolithic Belgium. The four nonlocal 87 Sr/86 Sr signatures correspond with the 87 Sr/86 Sr of bio-available Sr in Dutch South Limburg, the Black Forest in Southwest Germany, and regions of France, such as parts of the Paris Basin and the Vosges. The results support the ruling hypothesis of connections with Northern France, brought to light by archeological research.

Keywords: biologically available strontium; cave burial; commingled human remains; tooth enamel.

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References

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