This article introduces a robust scientific methodological approach that has been effective on accurately sourcing prehistoric chert artefacts. The research focuses on the lithic assemblage of Skorba, a late Neolithic site of Malta, and local chert rock sources. This assemblage is mainly consisting of chert tools and artefacts, but the origin of the raw materials remains inconclusive. Although chert outcrops are reported on Malta, they have yet to be investigated and their petrological characteristics are unknown. Moreover, it was always assumed that nonlocal chert material has been only imported from Sicily. This, however, remains at a theoretical level and elaborate provenance research is necessary to test it. This archaeological background serves an excellent opportunity to employ an interdisciplinary methodology and address uncertainties that conventional archaeological practices seem unable to provide clear answers. This methodology includes geological techniques that focus on petrological and geochemical characteristics of chert formations. The collected results provide the necessary scientific evidence to connect some artefacts with their actual sources and provided useful information about the possible origin of others. This paper further aims to demonstrate the great prospects of this suite of techniques and its suitability for similar provenance studies of chert material worldwide.

This article presents the results of a provenance study between late-Neolithic chert artefacts from Malta and chert sources of Sicily. It is part of a larger geoarchaeological research dedicated to investigate whether the cherts used for stone artefacts represent indigenous exploitation or results from longer-distance networks. Chert is a raw material commonly used in prehistory for tool crafting and with abundant geological sources in the broader Mediterranean region. However, the features of most of these sources are unknown and no detailed data regarding their geochemical characteristics and composition are available. The lithic assemblages of late Neolithic Malta are abundant with nonlocal chert finds and their origin will contribute to inferences about the role of Malta within the broader Mediterranean social landscape and raw-material network of this period.The paper uses macroscopic examination to distinguish the different chert varieties in the assemblages and the non-destructive LA-ICP-MS technique to identify groups with specific geochemical characteristics/signature. The field and lab-based work suggest multiple sources for the chert artefacts and most significantly, presents strong evidence of artefacts having almost identical geochemical signature with specific chert sources from southeast Sicily. These are the first highly reliable results confirming a connection between these two locations and strongly suggests the existence of seafaring in this area during the late Neolithic.

No abstract

No abstract

No abstract