@article{10272/10287,
year = {1997},
url = {http://hdl.handle.net/10272/10287},
abstract = {Palynological study of black marls below the Jurassic doldmltic limestones (Gijdn Formation) in the Gijdn Area (Asturias, NW Spain) show them to be of Rhetian (late Triassic) age. It appears that the so-called "transitional beds" (black arid red marls, sandstones and gypsum) between the Jurassic liiihestones and underlying Permian red-beds are in non-sequence with the latter},
publisher = {Sociedad Geológica de España},
title = {Edad del "Tramo de transición" entre el	Pérmico	y	el	Jurásico en el área de Gijón (Asturias, NW de España)},
title = {Age oí the so called "Transitional beds" between Permian and Jurassic formations in the Gijón Area (Asturias, NW Spain)},
author = {Martínez García, E. and Coquel, R. and Gutiérrez Claverol, M. and Quiroga, J. L.},
}