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

Fig. 3

From: Hydro-mechanical evolution of the EDZ as transport path for radionuclides and gas: insights from the Mont Terri rock laboratory (Switzerland)

Fig. 3

Excavation-induced brittle features in Opalinus Clay (Mont Terri rock laboratory): a extensile fractures created during the excavation of Gallery 98 (Nagra 2002); b bedding related spalling processes in the crown of the HG-A microtunnel and interaction of stress controlled failure at the lower right side wall with a tectonic structure (Marschall et al. 2006); c buckling of the bedding planes around a small borehole (Blümling et al. 2007)

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