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Swiss Journal of Geosciences
Fig. 1. | Swiss Journal of Geosciences

Fig. 1.

From: Microstructural characterization of natural fractures and faults in the Opalinus Clay: insights from a deep drilling campaign across central northern Switzerland

Fig. 1.

Geological setting a Simplified tectonic map of central northern Switzerland with selected Nagra boreholes (Nagra, 2014). b Generic stratigraphic column with the approximately 110 m thick Opalinus Clay. c Regional cross sections. Upper section across the Jura fold-and-thrust belt and the lower section orthogonal to the trend of the Hegau-Lake Constance Graben (Jordan et al., 2015)

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