In overlapping (stepover) zones between strike-slip faults, the geometry relative to the slip sense determines whether the overlap zone experiences local extension (forming a releasing bend/graben, a 'pull-apart' structure) or local compression (forming a restraining bend/ridge, a 'push-up' structure).
Depending on whether the geometric step between the overlapping fault strands is oriented in the same sense as the slip direction (a releasing step, producing...
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