| Summary: | In order to compare pre-Columbian cultural affiliations in the Lesser Antilles, we studied three ceramic series from Guadeloupe (F.W.I.) from well-dated Troumassoid sites between AD 1000 and 1300 (radiometric ages) attributed to the Late Ceramic Age (AD 1000–1500). The significance of the different types of inclusions in these ceramics is discussed through a petrographic study using optical and electron microscopy, that we subsequently compared with the local geological contexts. Two of the studied sites are located in the volcanic part of Guadeloupe (Basse-Terre), while the third one is situated in an area dominated by the sedimentary substratum of Grande-Terre and its silty cover. The petrographic analysis shows either the use of local heterogeneous materials: natural, geological or pedological aplastic inclusions (volcanic sands and cinders, ferruginous soils), and the addition of grog (anthropogenic temper). At each of the three sites studied, the presence of grog was demonstrated for several modal series. Comparison of the compositions of the pastes with the ceramic chrono-typology allow us to explore the proposition presented by Donahue et al. (1990), suggesting that the use of grog may infer a difference between Troumassoid and pre-Troumassoid assemblages. We also hypothesize a progressive diffusion of the use of grog temper into the Lesser Antilles, from the Guianas. This idea defies the commonly accepted idea that Troumassoid developed smoothly out of a locally present Saladoid ceramic series without external influence.
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