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Progress in Earth and Planetary Science
Fig. 5 | Progress in Earth and Planetary Science

Fig. 5

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. 5

Microstructure of pseudotachylyte. a, b Open-polarized photomicrographs of pseudotachylytes and blackened zone, respectively. Note that quartz fragments were strongly cracked, and the matrix shows flow texture. c, d FE-SEM images of pseudotachylyte. Quartz particles appearing in both images were eroded, cracked, and embayed. Numerous tiny iron sulfide particles occur in the matrix

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