Lateral magma intrusion from a caldera-forming magma chamber: Constraints from geochronology and geochemistry of volcanic products from lateral cones around the Aso caldera, SW Japan

Masaya Miyoshi, Taro Shinmura, Hirochika Sumino, Takashi Sano, Yasuo Miyabuchi, Yasushi Mori, Hirohito Inakura, Kuniyuki Furukawa, Koji Uno, Toshiaki Hasenaka, Keisuke Nagao, Yoji Arakawa, Junji Yamamoto