Fig. 3: The ploughmarks groups 364, 65, 500 and 499 at the Anciens Arsenaux excavations (ensemble AG1).

a excavation plan; b ploughmarks (group 499 in a) during excavation; c ploughmarks (group 499 in a) after excavation; d excavating micromorphological block EM97 through one of the ploughmark grooves in group 499 (see Fig. 5a for its location), with the analysed thin section shown in red. Images: ARIA SA.