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Fig. 8 | Progress in Earth and Planetary Science

Fig. 8

From: Thermal maturity structures in an accretionary wedge by a numerical simulation

Fig. 8

Schematic of an accretionary wedge with two main sediment flow pathways: a a shallow and low thermal maturity pathway and a deep high thermal maturity path and b vertical profiles of vitrinite reflectance in an accretionary wedge. The steps in vitrinite reflectance across the fault are associated with fault formation and reactivation, as depicted with arrows in II and V. The step in vitrinite reflectance across the fault is preserved in the shallow part of the wedge, as depicted by an arrow in III. The disappearance of the step with high temperatures and the overprint that depicts higher vitrinite maturity than that obtained in previous stages are illustrated using an arrow in IV

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