Symptomatic lithospheric drips triggering fast topographic rise and crustal deformation in the Central Andes

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dc.authoridSantimano, Tasca/0000-0002-8080-9154
dc.authoridAndersen, Julia/0000-0002-9937-1738
dc.authoridGogus, Oguz/0000-0002-6199-303X
dc.authoridSengul Uluocak, Ebru/0000-0002-6701-463X
dc.contributor.authorAndersen, Julia
dc.contributor.authorGogus, Oguz H.
dc.contributor.authorPysklywec, Russell N.
dc.contributor.authorSantimano, Tasca
dc.contributor.authorSengul Uluocak, Ebru
dc.date.accessioned2025-01-27T20:59:47Z
dc.date.available2025-01-27T20:59:47Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe basin and plateau regions of the Central Andes have undergone phases of rapid subsidence and uplift during the last similar to 20 Myr in addition to internal tectonic deformation. Paleoelevation data and the presence of high seismic wave speed anomalies beneath the Puna Plateau suggest that these tectonic events may be related to lithospheric foundering. Here, we study the geodynamic processes in the region using three dimensional, scaled, analogue models and high-resolution optical image correlation techniques. The analogue experiments show how a gravitational instability of the mantle lithosphere developing into a lithospheric drip may form a circular sedimentary basin in the crust that undergoes subsidence and subsequently reverses to uplift, while simultaneously undergoing internal crustal shortening. The model results reveal that drips may be symptomatic where the crust is well coupled to the sinking mantle lithosphere and manifests tectonic deformation at the surface, or poorly coupled asymptomatic drips with weak crustal surface manifestations. Overall, the physical models suggest that the formation of the Arizaro Basin and nearby Central Andean basins are caused by symptomatic lithospheric dripping events and highlight the significant role of non-subduction geodynamic mechanisms in driving surface tectonics.
dc.description.sponsorshipNSERC [(RGPIN-2019-06803)-RNP]; Scientific and Technological Research Council of Turkey [118C329]; Compute Ontario; Digital Research Alliance of Canada
dc.description.sponsorshipJ.A. and R.N.P. were supported by an NSERC Discovery Grant (RGPIN-2019-06803)-RNP. O.H.G. acknowledges ANATEC (ILP/International Lithosphere Programme) and the 2232 International Fellowship for Outstanding Researchers Programme of the Scientific and Technological Research Council of Turkey (118C329). The collaborative research was enabled by a TUBITAK Fellowship for Visiting Scientists 2221 Programme to R.N.P. This research was enabled in part by support provided by Compute Ontario (computeontario.ca) and the Digital Research Alliance of Canada (alliancecan.ca).
dc.identifier.doi10.1038/s43247-022-00470-1
dc.identifier.issn2662-4435
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85132986494
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1038/s43247-022-00470-1
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26830
dc.identifier.volume3
dc.identifier.wosWOS:000819008300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringernature
dc.relation.ispartofCommunications Earth & Environment
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectSouthern Sierra-Nevada
dc.subjectSurface Uplift
dc.subjectPuna Plateau
dc.subjectMantle Flow
dc.subjectBeneath
dc.subjectDelamination
dc.subjectEvolution
dc.subjectInsights
dc.subjectRemoval
dc.subjectChina
dc.titleSymptomatic lithospheric drips triggering fast topographic rise and crustal deformation in the Central Andes
dc.typeArticle

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