Implications for sedimentary transport processes in southwestern Africa : a combined zircon morphology and age study including extensive geochronology databases.

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dc.contributor.authorGärtner, Andreas
dc.contributor.authorHofmann, Mandy
dc.contributor.authorZieger, Johannes
dc.contributor.authorSagawe, Anja
dc.contributor.authorKrause, Rita
dc.contributor.authorStutzriemer, Marika
dc.contributor.authorGesang, Subani
dc.contributor.authorGerdes, Axel
dc.contributor.authorMarko, Linda
dc.contributor.authorLana, Cristiano de Carvalho
dc.contributor.authorLinnemann, Ulf
dc.date.accessioned2023-07-10T17:38:40Z
dc.date.available2023-07-10T17:38:40Z
dc.date.issued2022pt_BR
dc.description.abstractExtensive morphological and age studies on more than 4600 detrital zircon grains recovered from modern sands of Namibia reveal complex mechanisms of sediment transport. These data are further supplemented by a zircon age database containing more than 100,000 single grain analyses from the entire southern Africa and allow for hypothesising of a large Southern Namibian Sediment Vortex located between the Damara Orogen and the Orange River in southern Namibia. The results of this study also allow assuming a modifed model of the Orange River sand highway, whose origin is likely located further south than previously expected. Moreover, studied samples from other parts of Namibia give frst insights into sediment movements towards the interior of the continent and highlight the potential impact of very little spatial variations of erosion rates. Finally, this study points out the huge potential of detrital zircon morphology and large geo-databases as an easy-touse additional tool for provenance analysis.pt_BR
dc.identifier.citationGÄRTNER, A. et al. Implications for sedimentary transport processes in southwestern Africa: a combined zircon morphology and age study including extensive geochronology databases. International Journal of Earth Sciences, v. 111, p. 767-788, 2022. Disponível em: <https://link.springer.com/article/10.1007/s00531-021-02146-1>. Acesso em: 15 mar. 2023.pt_BR
dc.identifier.doihttps://doi.org/10.1007/s00531-021-02146-1pt_BR
dc.identifier.issn1437-3262
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/16910
dc.identifier.uri2https://link.springer.com/article/10.1007/s00531-021-02146-1pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectNamibiapt_BR
dc.subjectMineral morphologypt_BR
dc.subjectSediment transportpt_BR
dc.titleImplications for sedimentary transport processes in southwestern Africa : a combined zircon morphology and age study including extensive geochronology databases.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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