Data for: Double Power-Law in Leucosome Width Distribution: Implications for Recognizing Melt Movement in Migmatites

The raw leucosome width measurement data of four different sections of the Olkiluoto migmatite in western Finland.芬兰西部奥尔基洛托混合岩（migmatite）四个不同剖面的原始长英质体（leucosome）宽度测量数据集