Oligocene Northward Growth of the Tibetan Plateau: Insights from Intermontane Basins in the West Qinling Belt, NW China

Contents of this file Text S1 to S3 Figures S1 to S3 Tables S1 to S4 Additional Supporting Information (Files uploaded separately) Text S1 Demagnetization and tests Text S2 Anisotropy of magnetic susceptibility (AMS) analyses Text S3 Detrital Zircons U-Pb Ages test Figure S1. Anhua sampling section. Figure S2. Photographs of the sampled Anhua-Huicheng basin section. Figure S3 Orthogonal (Zijderveld) vector plots of the representative thermal demagnetization behaviors of specimens from the Anhua section. Figure S4 Equal-area plots of accepted ChRMs (185 sites) from the Anhua section in (a) geographic and (b) tilt-corrected coordinates. Figure S5 AMS data. (a) Equal-area, lower-hemisphere projection of anisotropy of the maximum (blue squares), medium (green triangles) and minimum (pink circles) susceptibility axes in stratigraphic coordinates. (b) PJ–T (corrected degrees of anisotropy vs. shape parameter). (c) Flinn diagram. Table S1. Main characteristics and interpretations of major sedimentary facies in this study. Table S2. Fossils were discovered along the West Qinling Belt. Table S3. Zircon U-Pb geochronological analyses. Table S4. Quantitative comparison of age distributions for the Anhua basin (Z1&Z2; Z3&Z4).