The Madrid Basin and the Central System: A tectonostratigraphic analysis from 2D seismic lines

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dc.contributor.authorVicente Muñoz, Gerardo De
dc.contributor.authorMuñoz Martín, Alfonso
dc.date.accessioned2023-06-20T00:27:45Z
dc.date.available2023-06-20T00:27:45Z
dc.date.issued2013
dc.description.abstractData from deep boreholes, seismic surveys, and surface geology are used to reconstruct the sedimentary infilling of the Cenozoic Madrid Basin. Eight main depositional sequences and seismic units are recognised. From the Paleogene, the latter four of these sedimentary sequences were deposited in a continental environment, under the influence of tectonic activity in the Central System, the Toledo Mountains, the Iberian Chain, and the Sierra de Altomira. The sedimentary infill shows an overall coarsening-upward trend from upper Cretaceous formations to syn-tectonic conglomerate deposits, followed by a fining-upward sequence and moderate reactivation of some faults during the late Miocene–Pliocene. The syn-tectonic sediments are Oligocene–early Miocene in age. The foredeep is oriented northeast–southwest and shows a sediment thickness of up to 3800 m in areas close to the Central System. Several types of tectonic structures are recognised, including imbricate thrust systems, thrust triangle zones, fault-propagation folds, back-thrust systems, and pop-up structures. The frontal thrusts were subjected to significant erosion, and late Miocene sediments onlap the anticlines of the onshore foreland. NW–SE-trending positive flower structures have been recognised in the eastern part of the basin. The total northwest–southeast shortening across the contact between the Madrid Basin and the Central System is approximately 5 km, of which 2–3 km occurred across the Southern Border Thrust. The simultaneous basement uplift of the Central System and the tectonic escape of the Sierra de Altomira have been interpreted as a consequence of constrictive deformation within the “Pyrenean” foreland of the Iberian microplate.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Educación y Ciencia
dc.description.sponsorshipConsolider Ingenio 2006
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/41414
dc.identifier.doi10.1016/j.tecto.2012.04.003
dc.identifier.issn0040-1951
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.tecto.2012.04.003
dc.identifier.urihttps://hdl.handle.net/20.500.14352/42600
dc.journal.titleTectonophysics
dc.language.isospa
dc.page.final285
dc.page.initial259
dc.publisherElsevier
dc.relation.projectIDCSD2006-00041
dc.relation.projectIDHP2008- 0068
dc.relation.projectIDCGL2006-13926-C02-01-02
dc.rights.accessRightsrestricted access
dc.subject.keywordSedimentary basin
dc.subject.keywordCenozoic
dc.subject.keywordSedimentary infilling
dc.subject.keywordTectonics Foreland basin
dc.subject.ucmGeología
dc.subject.ucmGeodinámica
dc.subject.ucmGeología estratigráfica
dc.subject.unesco2506 Geología
dc.subject.unesco2507 Geofísica
dc.subject.unesco2506.19 Estratigrafía
dc.titleThe Madrid Basin and the Central System: A tectonostratigraphic analysis from 2D seismic lines
dc.typejournal article
dc.volume.number602
dspace.entity.typePublication
relation.isAuthorOfPublication09af5f8f-e65c-4c2b-8583-c1c43e152589
relation.isAuthorOfPublication70f369a3-b3cd-43cb-874e-a7888da25de1
relation.isAuthorOfPublication.latestForDiscovery70f369a3-b3cd-43cb-874e-a7888da25de1
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