@article{10272/17987, year = {1991}, url = {http://hdl.handle.net/10272/17987}, abstract = {Marl-limestone rhythmic successions are common in the Liassic sections along a part of the Asturian coast (N Spain). The Upper Sinemurian nodular beds show several hardground levels capping asymmetric aggradationa/ cycles (parasequences) which are interpreted to represent shallowing upwards and decreasing sedimentation rate processes controlled by local tectonics and eustatic changes superimposed to a general regressive trend associated to regional tectonics. On the high energy submarine shoa/s created probably by small fault-associated salt domes, the hardgrounds attain their optimum development. The whole accumulated on a relative/y shallow water and storm-dominated carbonate ramp}, publisher = {Sociedad Geológica de España}, title = {Hardgrounds a techo de ciclos de somerización y ralentización en una rampa carbonatada del Lías de Asturias}, author = {Valenzuela, M. and García Ramos, José Carlos and Suárez de Centi, C.}, }