Data for: Magnetostratigraphy over the Triassic-Jurassic boundary in the main Karoo Basin

supplementary materials: equal area and orthogonal plots of sample demagnetization behavior from key sites. All samples are shown in in-situ geographic coordinates. Abbreviations for sample number as per text.补充材料：关键采样位点的样品退磁行为等面积投影图（equal area plot）与正交投影图（orthogonal plot）。所有样品均以原位地理坐标系进行展示，样品编号缩写详见正文。