Argon thermochronological data on Pliocene ice-rafted detrital mineral grains from IODP Expedition 379 in the Amundsen Sea sector

This dataset contains 40Ar/39Ar measurements on detrital mineral grains from ice-rafted detritus at International Ocean Discovery Program Sites U1532 and U1533 in the Amundsen Sea sector. The depositional age of the sediments is early Pliocene.本数据集包含采自阿蒙森海海域国际大洋发现计划（International Ocean Discovery Program）U1532与U1533站位冰筏碎屑（ice-rafted detritus）中碎屑矿物颗粒的氩-40/氩-39（40Ar/39Ar）测年数据，该沉积物的沉积时代为上新世早期。