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Figure 5 | Progress in Earth and Planetary Science

Figure 5

From: Earthquake faulting in subduction zones: insights from fault rocks in accretionary prisms

Figure 5

Microstructures of fault gouges. Fault gouges in (a) and (b) are from the megasplay fault zone, with white arrows indicating their upper boundaries. Fault gouges in (c) and (d) are from the plate-boundary fault zone, with a white double and single arrow indicating the gouge zone and the upper boundary of the fault gouge, respectively. All photomicrographs were taken under cross-polarized light.

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