Geosciences Working Group

lecturer: Prof. Jens Lehmann

The second virtual trip to Cornwall will mainly focus on the sedimentary rocks of the Carboniferous. During the Carboniferous period, swamp forests and the resulting coal are a central theme in Central Europe. On the steep coasts in the north of Cornwall, however, there are almost no coal-bearing rock layers in the cliffs that have been gnawed away by erosion. Instead, the sedimentary layers here consist of sandstones or rocks called greywacke. These have been deposited in the sea, but also in brackish or freshwater lakes. The rocks sometimes contain interesting trace fossils and rarely fossil fish also.

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