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The rio grande rise: current knowledge and future frontiers for deep-sea science, mineral resources and governance

2026-07-31Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorJovane, Luigi
dc.contributor.authorUlsen, Carina
dc.contributor.authorGalante, Douglas
dc.contributor.authorBernardini, Simone
dc.contributor.authorBergo, Natascha Menezes
dc.contributor.authorBraga, Elisabete de Santis
dc.contributor.authorBrandini, Frederico P.
dc.contributor.authorCarrion, Ronaldo
dc.contributor.authorCastro, David Lopes de
dc.contributor.authorConstantino, Renata R.
dc.contributor.authorHassan, Muhammad Bin
dc.contributor.authorJanasi, Valdecir de Assis
dc.contributor.authorJeck, Izabel King
dc.contributor.authorJunior, Marco Antonio Couto
dc.contributor.authorde Oliveira Júnior, Luciano
dc.contributor.authorLima, Fabiola A.
dc.contributor.authorMarques, Simone
dc.contributor.authorMassola, Gustavo M.
dc.contributor.authorMestre, Nélia
dc.contributor.authorMohriak, Webster
dc.contributor.authorMonlevade, Eduardo F.
dc.contributor.authorOliveira, Carina Costa de
dc.contributor.authorPellizari, Vivian Helena
dc.contributor.authorPortes, Marcelo Cecconi
dc.contributor.authorPraxedes, Adriane G. P.
dc.contributor.authorRodrigues, Fabio
dc.contributor.authorRodrigues, Lucas C. V.
dc.contributor.authorSanz, Francisco Javier González
dc.contributor.authorSilveira, Ilson C. A. da
dc.contributor.authorSoto, Jules M. R.
dc.contributor.authorSouza-Neto, Pedro Walfir
dc.contributor.authorSumida, Paulo Y. G.
dc.contributor.authorTagliaro, Gabriel T.
dc.contributor.authorSilva, Solange Teles da
dc.contributor.authorTurra, Alexander
dc.contributor.authorSantos, Roberto Ventura
dc.contributor.authorYamamoto, Marcio
dc.contributor.authorMello, Sidney L. M.
dc.date.accessioned2026-09-25T08:53:40Z
dc.date.available2026-09-25T08:53:40Z
dc.date.issued2026-07-31
dc.description.abstractThe Rio Grande Rise (RGR) is the largest oceanic plateau in the South Atlantic and represents a key natural laboratory for understanding oceanic plateau formation, deep-sea circulation, ecosystem functioning, and ferromanganese crust development. This study presents a critical synthesis of current scientific knowledge on the RGR, integrating geological, geophysical, oceanographic, biological, and geochemical evidence published over the last two decades. Geophysical data reveal a complex tectono-magmatic evolution involving Late Cretaceous plume-related volcanism, crustal thickening, rifting, and subsequent subsidence. The structural framework of the plateau is dominated by the Cruzeiro do Sul Rift, which plays a central role in controlling sedimentation, magmatism, and seawater circulation. Oceanographic studies demonstrate that the interaction between the southern branch of the South Equatorial Current and the complex topography of the RGR generates intense internal tides and bottom currents, strongly influencing sediment transport and benthic habitats. Biological investigations indicate that the RGR hosts diverse deep-sea communities, including sponge grounds, cold-water corals, and associated fauna, whose distribution is tightly linked to geomorphology and hydrodynamics. Ferromanganese crusts occurring on the plateau preserve valuable geochemical records of oceanographic and redox conditions, although their spatial distribution, thickness, and metal budgets remain incompletely constrained. Despite major advances, significant knowledge gaps persist regarding crustal structure, sedimentary evolution, ecosystem functioning, and mineral formation processes. This review highlights these uncertainties and outlines research priorities necessary to improve understanding of oceanic plateaus and deep-sea systems in the South Atlantic.eng
dc.description.sponsorshipUID/00350/2025
dc.identifier.doi10.3390/16040418
dc.identifier.doi10.3390/min16080801
dc.identifier.issn2075-163X
dc.identifier.urihttp://hdl.handle.net/10400.1/29517
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI AG
dc.relationAquatic Research Infrastructure Network
dc.relation.ispartofMinerals
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectRio grande rise
dc.subjectDeep-sea mining
dc.subjectFerromanganese crusts
dc.subjectOcean governance
dc.subjectSouth Atlantic
dc.subjectCritical minerals
dc.subjectBiodiversity conservation
dc.subjectContinental shelf
dc.titleThe rio grande rise: current knowledge and future frontiers for deep-sea science, mineral resources and governanceeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberLA/P/0069/2020
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.citation.issue8
oaire.citation.startPage418
oaire.citation.titleMinerals
oaire.citation.volume16
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNamede Oliveira Júnior
person.familyNameMestre
person.givenNameLuciano
person.givenNameNélia
person.identifier195864
person.identifier.ciencia-idEA1D-0D5C-8C56
person.identifier.ciencia-idD71D-759D-F6FC
person.identifier.orcid0000-0001-5899-2979
person.identifier.orcid0000-0001-6871-9984
person.identifier.ridC-1943-2009
person.identifier.scopus-author-id35237689600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublicationbdfdf659-6b7b-4ef9-ac90-2781469b8946
relation.isAuthorOfPublication6ed5a7d3-57d3-4171-9aad-8c761e4cb38a
relation.isAuthorOfPublication.latestForDiscoverybdfdf659-6b7b-4ef9-ac90-2781469b8946
relation.isProjectOfPublication5af011f9-3888-449a-a18c-d08b59e87091
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