Normal faults in sand-box experiments
McClay et al.
More at: http://www.gl.rhbnc.ac.uk/FDP/Modellingframe.html
Physical models (=analogue experiments) allow to investigate how simplified geological systems react to simplified boundaries conditions.
Using colored layers of sand, as an analogue for the upper crust, and applying various boundaries conditions, McClay’s team can successfully create, in their laboratory, structures observed in nature.
Pictures on the rigth represent various geometry of sedimentary basins, from symmetrical extension (top), to highly asymmetrical extension (bottom).
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