Vol. 22 Núm. 2 (2015)
Cover Photo: Transmission optical microscopy image of an eolian sandstone from the De La Cuesta Formation (Permian, Argentina), showing an inverse-graded lamina interpreted to be eolian-ripple migration with abundant coarse-grained sand (light blue shows porosity). For further details see Limarino et al, pp 83-108, this issue.