Extended Data Fig. 4: Thin section microscope images with a cross-polarising lens.
From: Recurrent humid phases in Arabia over the past 8 million years
a) SA04, b) SA07, c) SA40 and d) SA05 (top section). Fabric codes are Columnar (C), Columnar Open (Co), Dendritic (D), Microsparite (Ms) and Mosaic Calcite (Ms).
