Fig. 2From: Holocene environmental changes and human impact in the northern Swiss Jura as reflected by data from the Delémont valleyGeological map of the central part of the Delémont valley (location: see Fig. 1). Quaternary formations consist primarily of fluvial sediments, slope deposits and peat (marsh deposits). Modified from Keller and Liniger (1930). The built-up area of the town of Delémont is shown with a diagonal shading Back to article page