Archaeological excavation: rock shelter. 5 palynological samples. 1 sample in "Abri de Chateauneuf" (47°09'13.28/5°54'14.05). First analysis: J. Heim, 1979.
Natural site. Geological section in pleniglacial varves. 3 palynological samples.
Archaeological site: Merovingian tombs. 2 palynological samples. Approximate geographical coordinates (Town hall of Arcenant).
Natural site; weat meadow. 62 palynological samples. 12 meters length drilling.
Natural site: wet meadow. 99 palynological samples + 4 radiocarbon datings. Drilling of 28.10 meters length.
Natural site; weat meadow. 126 palynological samples + 2 radiocarbon datings. 33,57 meters length drilling.