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Discontinuidades y conformidades correlativas en las series hemipelágicas del final del Cretácico en el Prebético. Caracterización biocronoestratigráfica

dc.contributor.authorChacón Pichaco, Beatriz
dc.contributor.authorMartín Chivelet, Javier
dc.date.accessioned2023-06-20T17:12:37Z
dc.date.available2023-06-20T17:12:37Z
dc.date.issued2001
dc.description.abstractIn the upper Santonian to Danian hemipelagic to pelagic series in the eastern part o f the Prebetic Jumilla-Callosa-Aspe area, detailed stratigraphic and biostratigraphic analyses have allowed the recognition and age-dating of three major regional unconformities and their correlative conformities. These represent major changes in sedimentation, synsedimentary tectonic, bathymetry, basin configuration and/or faunal assemblages that abruptly took place in the ancient Betic continental margin. These surfaces, based on the stratigraphic distribution of globotruncanids, can be dated (at their minimum hiatus) as latest Santonian-earliest Campanian, middle Maastrichtian and Maastrichtian-Danian boundary in age. From base to top, the following biozones have been identified: Dicarinella asymetrica, Globotruncanita elevata, Clobotruncana ventricosa, Clobotruncanita calcarata, Globotruncana falsostuarti, Gansserina gansseri, Contusotruncana contusa - Racemiguembelina fructicosa, and Abathomphalus mayaroensis. The described unconformities bound and outline two major genetic stratigraphic units, with distinctive stratigraphic and sedimentalogical features. These units configure the first subdivision o f those Upper Cretaceous hemipelagic/pelagic successions of the Prebetic in terms of genetic stratigraphy.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.sponsorshipDGES
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/61404
dc.identifier.issn1576-5172
dc.identifier.officialurlhttp://www.sociedadgeologica.es/publicaciones_geotemas.html
dc.identifier.urihttps://hdl.handle.net/20.500.14352/57946
dc.issue.number2
dc.journal.titleGeotemas
dc.language.isospa
dc.page.final180
dc.page.initial178
dc.publisherSociedad Geológica de España.
dc.relation.projectIDPB 97- 0330
dc.rights.accessRightsopen access
dc.subject.cdu551.763(234.1)
dc.subject.keywordUnconformities
dc.subject.keywordHemipelagic
dc.subject.keywordCampanian
dc.subject.keywordMaastrichtian
dc.subject.keywordBetics
dc.subject.ucmGeología estratigráfica
dc.subject.unesco2506.19 Estratigrafía
dc.titleDiscontinuidades y conformidades correlativas en las series hemipelágicas del final del Cretácico en el Prebético. Caracterización biocronoestratigráfica
dc.typejournal article
dc.volume.number3
dspace.entity.typePublication
relation.isAuthorOfPublicationec6fc8e5-d413-47bf-9ada-4ff280f9e849
relation.isAuthorOfPublication.latestForDiscoveryec6fc8e5-d413-47bf-9ada-4ff280f9e849

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