Thesis Collection
Last Deposit
Browsing by Author "Fontana, B."
Now showing items 1-4 of 4
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Las calizas con esponjas del Bajociense de la Cordillera Vasco-Cantábrica oriental (Navarra)
(Sociedad Geológica de España, 1994)During late Bajocian times, wide areas of the eastern Basc-Cantabrian Range were covered by sponge facies. Small-size sponge buildups and poorly sorted sponge and ammonite wackestone facies were developed in open platform ... -
Caracterización bioestratigráfica de la Biozona Transversarium (Oxfordiense medio) en el sector oriental de la Cordillera Ibérica
(Sociedad Geológica de España, 1990)In NE Iberian Chain (E. Spain), the Transversarium Zone is developed in sponge limestone facies. All the subzones af this biozone have been characterised by means of ammonites. The basal, Parandieri Subzone, is only ... -
Origen de las brechas de la base del Jurásico de Leitza (Cordillera Vasco-Cantábrica oriental, Navarra)
(Sociedad Geológica de España, 1994)ExtensionsI tectonic activity at the Triassic-Jurassic boundary in the eastern Basc-Cantabric Range (N Spain) in v o lv e d the generation o f a set o f semigraben basins. The largest basin appears related to the Leitza ... -
Sobre la posición estratigráfica de Perisphinctes wartae Bukowski y el desarrollo de la Subbiozona Rotoides (Biozona Transversarium, Oxfordiense Medio) en la Cordillera Ibérica Nororiental
(Sociedad Geológica de España, 1991)The new, recently defined biostratigraphic unit Rotoides Subzone has been widely recognised throughout the Iberian Chain (E. Spain) and characterized by means of successive representatives of Oxfordian ammonite genus ...
