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Progress in Earth and Planetary Science
Fig. 11 | Progress in Earth and Planetary Science

Fig. 11

From: Postseismic fluid discharge chemically recorded in altered pseudotachylyte discovered from an ancient megasplay fault: an example from the Nobeoka Thrust in the Shimanto accretionary complex, SW Japan

Fig. 11

Schematic illustration showing postseismic fluid discharge along the Nobeoka Thrust. The upper figure shows a cross-section of the subduction zone. The lower figure shows fluid supply from deep reservoir or footwall mélange. The fluid that reacted with the fault rocks was enriched in Li and Cs, and the fluid volume was estimated to be 1.78–7.61 × 103 m3

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