Variations in Arc Volcanism during Early Stages of Arc/ Continent Collision in the Eastern Mediterranean: Application of Microprobe Technology

俯冲带和岛弧是进出地幔的物质流动区域。了解这些通量的大小对理解地球的演化具有重要意义。在地中海，非洲对欧洲的接近似乎导致了过去几百万年来大量沉积物的俯冲。俯冲沉积应该会影响俯冲带后面弧形区域中火山活动的数量和化学成分，国际和平研究所希望通过分析500万年前在地中海岩心中收集的灰烬来检验这一模式。

Subduction zones and island arcs are regions of material flux to and from the mantle. Knowledge of the magnitude of these fluxes has a major bearing on understanding the evolution of the Earth. In the Mediterranean, the approach of Africa towards Europe appears to have resulted in the subduction of large amounts of sediment in the last few million years. Subducted sediment should affect the amount and chemistry of volcanism in the arc behind the subduction zone and the PI wishes to examine this model by analyzing ashes that were collected in cores in the Mediterranean that date back 5 million years.