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Fig. 7 | Progress in Earth and Planetary Science

Fig. 7

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. 7

Major and trace element composition of the PSZ and a minor fault. (ad, fi). Li, Rb, Sr, and Cs concentrations plotted against Zr concentration for the pseudotachylyte and blackened zone in PSZ (ad) and a minor fault in the footwall (fi). The regression line defined by the host rocks concentrations. e, j Major and trace element compositions of pseudotachylyte and blackened zone (e), and footwall minor fault (j) with respect to the expected value calculated by element compositions of host rock. The relative concentrations from the expected value were calculated as follows: [(concentration of fault rock − expected value)/expected value]

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