The 29.5 Ma Wah Wah Springs Formation which erupted from the Indian Peak Caldera has an estimated volume of > 3900 km 3 making it one of the largest ignimbrites on earth. The magma was calc-alkaline, dacitic (68 wt. % SiO 2) and phenocryst-rich (38 vol.%). Phenocrysts include ...
Seulawah Agam volcano is one of the locations where manifestations of hot springs are found on the surface, which indicates a geothermal source. ldentifying a geothermal system requires exploration stages from multidisciplinary perspectives such as geology, geophysics, and geochemistry in regions where ...