Lacustrine Neogene systems of the Duero Basin: evolution and controls

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dc.book.titleTertiary basins of Spain : the stratigraphic record of crustal kinematics
dc.contributor.authorMediavilla López, Rosa María
dc.contributor.authorDabrio González, Cristino José
dc.contributor.authorMartín Serrano, Ángel
dc.contributor.authorSantisteban Navarro, Juan Ignacio
dc.contributor.editorFriend, Peter F.
dc.contributor.editorDabrio, Cristino J.
dc.date.accessioned2023-06-20T21:02:06Z
dc.date.available2023-06-20T21:02:06Z
dc.date.issued1996
dc.description.abstractVertical aggradation of Neogene fluvial and lacustrine deposits occurred until the Late Neogene in central and northem areas of the Duero Basin, coeval with river incision in the southwestern corner of the basin. The whole basin became exorheic in the Latest Neogene. We have differentiated five tectonosedimentary units (TSUs) of basinal extent, bounded by unconfonnities or breaks in the sedimentary record. Deposits in each TSU consist of alluvial-fan deposits in areas close to the active northern and eastern margins, and fluvial deposits along the western margin. These systems converged in the lower, subsiding areas of the basin occupied by carbonate-evaporite lacustrine systems. Tectonics and climate controlled sedimentation. The main faults active from the Neogene to the Present reflect Late Hercynian basement fractures that were re-activated during the Alpine Orogeny, both fracturing blocks and modifying landscapes, and creating or modifying the areas of subsidence. Analysis of climatic variations during the Miocene shows that deposition of saline materials occurred in dry TSUs (1, 2) and, particularly, in humid TSUs (3,4). Climate does not seem to have been a determining factor for the formation of evaporites. However, it was a very important factor in determining both the amount of water that reached the basin and, eventually, also the extent of the lacustrine systems.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/12548
dc.identifier.isbn0521461715
dc.identifier.officialurlhttp://www.cambridge.org/9780521021982
dc.identifier.urihttps://hdl.handle.net/20.500.14352/60512
dc.issue.number6
dc.language.isoeng
dc.page.final236
dc.page.initial228
dc.page.total400
dc.publication.placeCambridge ; New York
dc.publisherCambridge University Press
dc.relation.ispartofseriesWorld and regional geology series
dc.rights.accessRightsopen access
dc.subject.cdu551.79
dc.subject.keywordDuero Basins
dc.subject.keywordNeogene
dc.subject.keywordLacustrine deposits
dc.subject.ucmGeología estratigráfica
dc.subject.unesco2506.19 Estratigrafía
dc.titleLacustrine Neogene systems of the Duero Basin: evolution and controls
dc.typebook part
dspace.entity.typePublication
relation.isAuthorOfPublication55faa814-a938-4b9e-9840-d51419e44f20
relation.isAuthorOfPublicationc83ed60c-056b-4da6-91a0-01121fce5299
relation.isAuthorOfPublication.latestForDiscoveryc83ed60c-056b-4da6-91a0-01121fce5299
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