Geological map of West Ongul Island, Antarctic Geological Map Series, Sheet 2.

Geological map data of Antarctica held by the National Institute of Polar Research and the Geospatial Information Authority of Japan. There are two types of data available: (data1: geometrically corrected data) and (data2: raw image data).日本国立极地研究所（National Institute of Polar Research）与日本国土地理院（Geospatial Information Authority of Japan）所持有的南极地质图数据集。该数据集包含两类可用数据：其一为经几何校正的数据（data1: geometrically corrected data），其二为原始影像数据（data2: raw image data）。