Cretaceous volcanic rocks outcropped in the central part of Livingston Island consist of a basalt basaltic andesite andesite dacite association principally belonging to calc alkaline series and characters of low potassium and low Mg.

• 出露在利文斯顿岛中部的白垩纪火山岩为玄武岩－武安山岩－山岩－安岩组合，基本属于钙碱性系列，但具有低钾拉斑玄武岩的某些特点。