Formes d’ érosion prémégalithiques et postmégalithiques sur les menhirs de calcaire du causse Méjean (Lozère)

A novel approach combining archaeological and geomorphological analysis reveals distinct pre- and post-megalithic erosion patterns on limestone menhirs from the Causse Méjean. Pre-megalithic forms—such as lateral basins and grooves—indicate the original outcrop origins of the blocks, while post-megalithic features (e.g., summit basins, rills) provide insights into erosion rates over millennia, with monuments serving as chronological markers. The study identifies karstic and periglacial influences on these forms, demonstrating how such dual methodologies enhance understanding of megalithic landscapes.

Sellier, D. (2018). Formes d’ érosion prémégalithiques et postmégalithiques sur les menhirs de calcaire du causse Méjean (Lozère). Bulletin de La Société Préhistorique Française, 115(2), 289–308. https://doi.org/10.3406/bspf.2018.14891