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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Thermochronology of hydrothermal alteration zones in the Kii Peninsula, southwest Japan: an attempt for detecting the thermal anomalies and implications to the regional exhumation history

Fig. 1

Map of study area. a Tectonic and hydrological settings of the Southwest Japan Arc. Data for Quaternary volcanoes and hot springs are sourced from the Committee for Catalog of Quaternary Volcanoes in Japan (1999) and Kimbara (2005), respectively. Gray contours denote the depth of the upper surface of PHS slab at 10-km intervals (Nakajima and Hasegawa 2007; Hirose et al. 2008a, b; Nakajima et al. 2009); b Geologic map of the Kii Peninsula, outlined by the red square in (a) above, modified after Wakita et al. (2009), showing active fault traces (Nakata and Imaizumi 2002) and hot springs (Kimbara 2005). [MTL, Median Tectonic Line; NE, Northeast; PAC, Pacific plate; PHS, Philippine Sea plate; SW, Southwest]

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