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In the background: Paleo-riverbed with tractive structures (megaripples and ripples). Foresets indicate the direction of the flow (from right to left).
Puente de Montañana, Spain

FRIEND, P.F., SLATER, M., and WILLIAMS, R.C., 1979. Vertical and lateral building of
river sandstone bodies, Ebro Basin, Spain. J. Geol. Soc. London, v. 136, p. 39-46.

ANADÓN, P, CABRERA, LL., COLLDEFORNS, B., COLOMBO, F., CUEVAS, J.L. AND
MARZO, M., 1989. Alluvial fan evolution in the S.E. Ebro Basin: response to tectonics
and lacustrine base level changes. 4th International Conference on Fluvial Sedimentology, Guidebook Series. Publicacions del Servei Geòlogic de Catalunya. 91pp.

FRIEND, P.F., HIRST, J.P.P. and NICHOLS, G.J. (1986). Sandstone-body structure and river
process in the Ebro Basin of Aragon, Spain. Cuadernos de Geologica Iberica, v. 10, p. 9-30

In the background: Paleo-riverbed with tractive structures (megaripples and ripples). Foresets indicate the direction of the flow (from right to left).
Puente de Montañana, Spain

FRIEND, P.F., SLATER, M., and WILLIAMS, R.C., 1979. Vertical and lateral building of
river sandstone bodies, Ebro Basin, Spain. J. Geol. Soc. London, v. 136, p. 39-46.

ANADÓN, P, CABRERA, LL., COLLDEFORNS, B., COLOMBO, F., CUEVAS, J.L. AND
MARZO, M., 1989. Alluvial fan evolution in the S.E. Ebro Basin: response to tectonics
and lacustrine base level changes. 4th International Conference on Fluvial Sedimentology, Guidebook Series. Publicacions del Servei Geòlogic de Catalunya. 91pp.

FRIEND, P.F., HIRST, J.P.P. and NICHOLS, G.J. (1986). Sandstone-body structure and river
process in the Ebro Basin of Aragon, Spain. Cuadernos de Geologica Iberica, v. 10, p. 9-30

Photograph: F.Milazzo