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Swiss Journal of Geosciences
Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Pore-water evolution and solute-transport mechanisms in Opalinus Clay at Mont Terri and Mont Russelin (Canton Jura, Switzerland)

Fig. 3

Drilling procedure and structural features in retrieved core obtained from a borehole drilled into one of the main internal fault planes of the Main Fault at Mont Terri. Diameter of core is 14.3 cm. a Device with 8 tubes used as guides to drill a ring perforation around the core. b Cross section of retrieved core showing the structural elements of the penetrated fault segment

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