Geochemistry of felsic rocks and minerals of ODP Hole 135-841B

A felsic volcanic series (605-825 mbsf) overlain by upper Eocene shallow-water sediments (500-605 mbsf) and basalticandesitic sills that intruded into sediments of Holocene to...一套长英质火山岩系（海底以下605~825米，meters below seafloor，mbsf），其上覆有始新统上部浅水沉积物（海底以下500~605米，mbsf）以及侵入全新世至……沉积物的玄武安山岩岩床