PROVENANCING FLINT ARTEFACTS WITH ICP–MS USING
REE SIGNATURES AND Pb ISOTOPES AS DISCRIMINANTS:
PRELIMINARY RESULTS OF A CASE STUDY FROMNORTHERN SWEDENA. OLOFSSON†
Department of Historical, Philosophical and Religious Studies, Umeå University, 901 87 Umeå, Sweden
and I. RODUSHKIN, ALS Scandinavia AB, Aurorum 10, S-977 75, Luleå, Sweden
Archaeological flint artefacts from the late Mesolithic/early Neolithic site of Vuollerim, northern
Sweden, have been geochemically investigated with ICP–SFMS and MC–ICP–MS in
search for the geological/geographical origin of the non-local flint. The Vuollerim flints were
compared with reference samples from Denmark (Cretaceous/Tertiary flint) and Russia (Carboniferous
flint). Elemental concentrations as well as elemental ratios for REEs and isotopic
ratios for Pb and Sr are presented. Significant differences were found between different
geological/geographical contexts. Two of the Vuollerim samples can be ascribed a SouthScandinavian origin. Possibly also eastern flint is present, although the results are not
conclusive in this case.
KEYWORDS:
NORTHERN SWEDEN, ICP–SFMS, MC–ICP–MS, CHERT, FLINT, PROVENANCE
STUDY, REE, Pb ISOTOPES
2 comentarios:
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