4D X-Ray CT data and surface view videos of analogue models exploring rift interaction in orthogonal and rotational extension

Zwaan, Frank; Schreurs, Guido (2020). 4D X-Ray CT data and surface view videos of analogue models exploring rift interaction in orthogonal and rotational extension [Dataset]. GFZ Data Services 10.5880/fidgeo.2020.031

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This data set includes videos depicting the surface evolution of 29 analogue models on crustal extension, as well as 4D CT imagery (figures and videos) of two of these experiments. The experiments examined the influence of the method for driving extension (orthogonal or rotational) on the interaction between rift segments using a brittle-viscous set-up.

All experiments were performed at the Tectonic Modelling Laboratory of the University of Bern, Bern, Switzerland (UB). Brittle and viscous layers are both 4 cm thick, extension velocities are 8 mm/h so that a model duration of 5 h yields a total extension of 40 mm (e = ca. 13%, given an initial model width of ca. 30 mm). Next to the mode of extension (orthogonal or rotational), we also test the effect of the degree of onderlap (angle φ). Detailed descriptions of the experiments and monitoring techniques can be found in Zwaan et al. (2020).

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