@article{10272/16342, year = {1992}, url = {http://hdl.handle.net/10272/16342}, abstract = {Déposition of blade shale fades on marine shelves and ramps has been habitually attributed to several causes related to oxygen-depleted bottom waters: sea level fluctuations, very slow water circulation, high organic productivity in the surface water; etc. This paper concerns to black shale deposits quickly accumulated on a w e ll oxygenated bottom, devoid o f bioturbation, and related to mud-rich storm events}, publisher = {Sociedad Geológica de España}, keywords = {Ichnofossils}, keywords = {Episodic events}, keywords = {Black shales}, keywords = {Storm deposits}, keywords = {Marine shelf}, keywords = {Ramp}, title = {Icnofósiles, sedimentación episódica/ tempestitas fangosas y «black shales» de ambientes seudoanóxicos, en sucesiones marinas de plataforma y rampa}, title = {Ichnofossils, episodic events, mud tempestites and pseudoanoxic black shales in marine shelf and ramp successions}, author = {García Ramos, José Carlos and Suárez de Centi, C. and Valenzuela, M.}, }