Fig. 6From: Relationship between tectonism and desertification inferred from provenance and lithofacies changes in the Cenozoic terrestrial sequence of the southwestern Tarim BasinOptical microscope photographs of clastic rock fragments in the Aertashi section (all photos are taken under crossed nicols). a Siltstone, b Siliceous siltstone, c Claystone, d Siliceous claystone, e Quartzo-feldspathic sandstone, and f Orthoquartzite fragmentsBack to article page