Careful mineral and structural analyses have revealed the characteristics of volcanic ash in the 9 horizons of a 80.2m ice core from Collins Ice Cap,King George Island,Antarctica.

• 矿物和结构分析揭示了南极洲乔治王岛柯林斯冰帽一支 80 .；2 m冰芯中的 9层深褐色沉积物的火山灰特征。