About IKEDA Yukio
About Dep. of Material and Biological Sciences, Ibaraki Univ., Mito 310, JPN
About Polar Science
About breccia
About petrology
About pyroxene
About olivine
About reduction (reaction)
About oxygen fugacity
About スエサイト
About モノミクト
About ureilite
About 特殊ユレイライト
About Petrology in general
About ユレイライト
About 岩石学