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dc.date.accessioned2018-08-18T09:25:22Z
dc.date.available2018-08-18T09:25:22Z
dc.date.created2017-12-27T13:42:58Z
dc.date.issued2016
dc.identifier.citationHartz, Ebbe Hvidegård Medvedev, Sergei Schmid, Daniel Walter . Development of sedimentary basins: differential stretching, phase transitions, shear heating and tectonic pressure. Basin Research. 2017, 29(5), 591-604
dc.identifier.urihttp://hdl.handle.net/10852/63168
dc.description.abstractClassical models of lithosphere thinning predict deep synrift basins covered by wider and thinner post‐rift deposits. However, synextensional uplift and/or erosion of the crust are widely documented in nature (e.g. the Base Cretaceous unconformity of the NE Atlantic), and generally the post‐rift deposits dominate basins fills. Accordingly, several basin models focus on this discrepancy between observations and the classical approach. These models either involve differential thinning, where the mantle thins more than the crust thereby increasing average temperature of the lithosphere, or focus on the effect of metamorphic reactions, showing that such reactions decrease the density of lithospheric rocks. Both approaches result in less synrift subsidence and increased post‐rift subsidence. The synextensional uplift in these two approaches happens only for special cases, that is for a case of initially thin crust, specific mineral assemblage of the lithospheric mantle or extensive differential thinning of the lithosphere. Here, we analyse the effects of shear heating and tectonic underpressure on the evolution of sedimentary basins. In simple 1D models, we test the implications of various mechanisms in regard to uplift, subsidence, density variations and thermal history. Our numerical experiments show that tectonic underpressure during lithospheric thinning combined with pressure‐dependent density is a widely applicable mechanism for synextensional uplift. Mineral phase transitions in the subcrustal lithosphere amplify the effect of underpressure and may result in more than 1 km of synextensional erosion. Additional heat from shear heating, especially combined with mineral phase transitions and differential thinning of the lithosphere, greatly decreases the amount of synrift deposits. © 2016 Wileyen_US
dc.languageEN
dc.titleDevelopment of sedimentary basins: differential stretching, phase transitions, shear heating and tectonic pressureen_US
dc.typeJournal articleen_US
dc.creator.authorHartz, Ebbe Hvidegård
dc.creator.authorMedvedev, Sergei
dc.creator.authorSchmid, Daniel Walter
cristin.unitcode185,15,22,40
cristin.unitnameSenter for Jordens utvikling og dynamikk
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2
dc.identifier.cristin1532119
dc.identifier.bibliographiccitationinfo:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Basin Research&rft.volume=29&rft.spage=591&rft.date=2017
dc.identifier.jtitleBasin Research
dc.identifier.volume29
dc.identifier.issue5
dc.identifier.startpage591
dc.identifier.endpage604
dc.identifier.doihttp://dx.doi.org/10.1111/bre.12189
dc.identifier.urnURN:NBN:no-65727
dc.type.documentTidsskriftartikkelen_US
dc.type.peerreviewedPeer reviewed
dc.source.issn0950-091X
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/63168/1/Hartz_et_al-2017-Basin_Research.pdf
dc.type.versionPublishedVersion


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