Fig. 8From: Relationship between tectonism and desertification inferred from provenance and lithofacies changes in the Cenozoic terrestrial sequence of the southwestern Tarim BasinESR vs. CI plot. The relationship between the ESR signal intensity and CI of quartz for the fine sand fraction of fluvial sandstone in the Aertashi section. The stages are divided on the basis of the temporal variations of the ESR signal intensity and CIBack to article page