Evaluation of Caldera Hosted Geothermal Potential during Volcanism and Magmatism in Subduction System, NE Japan
Figure 3
(a) Total alkalis vs. silica (TAS) diagram [35] and (b) SiO2 vs. K2O classification diagram [36] showing the compositions of MIs from the northern and southern parts of Fukano Caldera, compared with data for Shirasawa Caldera [23]. Ol: olivine; Q: quartz.
