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Progress in Earth and Planetary Science

Table 2 Comparison of trace element composition in Okinawa Trough, Guaymas Basin (Gamo 1995), Escanaba Trough (Campbell et al. 1994), and Nankai Trough (Nishio et al. 2015)

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

Okinawa Trough

Guaymas Basin Ridge

Escanaba Trough

Nankai Trough

Temperature (°C) (μmol/kg)

320

–

108–217

240

 Li

2500

1080

1268

168

 Rb

360

86

92.5

133

 Sr

94

253

209

39.8

 Cs

–

0.3

6.8

–

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