Anthropogenic temper versus geological and pedological inclusions: grog temper as a possible chrono-cultural marker for the Late Ceramic Age in the pre-Columbian Lesser Antilles

Open Access

Fig. 12

Photomicrographs of thin sections taken from Parking de Roseau (Plane-Polarized Light – PPL); (a) group PR1: grog tempered sherd PR-62; (b) group PR2: matrix-rich sherd with very few temper (sparse grog fragments and few volcanic material) PR-104; (c) group PR3: sandy matrix with abundant volcanic cinders PR-81; (d) group PR4: sandy matrix with numerous volcanic lithoclasts and isolated volcanic minerals PR-05.

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