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You are here: Home / Library / RBINS Staff Publications 2021 / Characterization and sourcing of Middle Neolithic fluorites in Northern France and Belgium by means of Geochemistry and Sr-isotopic analyses.

Eric Goemaere, Bart Vanmontfort, Dominique Bonjean, Dominique Bosquet, Françoise Bostyn, Nicolas Cayol, Caroline Colas, Hélène Collet, Thomas Delbey, Emmanuel Delye, Mark Golitko, Ivan Jadin, Cécile Jungels, Emmanuelle Leroy-Langelin, Cécile Monchablon and Ivan Praud (soumis 24/03/22)

Characterization and sourcing of Middle Neolithic fluorites in Northern France and Belgium by means of Geochemistry and Sr-isotopic analyses.

Archaeological and Anthropological Sciences, à compléter:à compléter.

Abstract

Ornaments and fragments of fluorite have been found at sixteen Neolithic sites in Belgium and Northern France, mainly Middle Neolithic sites associated with the Michelsberg culture and the Spiere and Chassean groups. These sites are located in a large geographical area representing different types of sites and various geological backgrounds. One of the aims of this study is to identify where this mineral could have been quarried in the Neolithic and compare the possible source(s) with those used during the Palaeolithic. A survey of some Neolithic fluorite occurrences in Belgium and Northern France was conducted and the origins of this mineral determined/investigated by means of geochemical Rare Earth Element (REE) and Sr-isotopic analysis. We also explore the limitations of isotopic 87Sr/86Sr and REE ratios for analysis of fluorite. Results show that Neolithic fluorite originates from the Dinantian limestones/dolostones of the Ardennes Allochthon, in contrast to the use of silicified Givetian limestones of the Calestian Band near Givet (France) during the Magdalenian.

Keywords: Fluorite ornaments, Middle Neolithic, REE, Sr isotopes, Northern France, Belgium

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