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Article: Paleomagnetic constraints on the duration of the Australia-Laurentia connection in the core of the Nuna supercontinent

TitlePaleomagnetic constraints on the duration of the Australia-Laurentia connection in the core of the Nuna supercontinent
Authors
Issue Date2021
PublisherGeological Society of America. The Journal's web site is located at http://www.geosociety.org/pubs/
Citation
Geology, 2021, v. 49 n. 2, p. 174-179 How to Cite?
AbstractThe Australia-Laurentia connection in the Paleoproterozoic to Mesoproterozoic supercontinent Nuna is thought to have initiated by ca. 1.6 Ga when both continents were locked in a proto-SWEAT (southwestern U.S.–East Antarctic) configuration. However, the longevity of that configuration is poorly constrained. Here, we present a new high-quality paleomagnetic pole from the ca. 1.3 Ga Derim Derim sills of northern Australia that suggests Australia and Laurentia were in the same configuration at that time. This new paleopole also supports a connection between Australia and North China and, in conjunction with previously reported data from all continents, indicates that the breakup of Nuna largely occurred between ca. 1.3 and 1.2 Ga.
Persistent Identifierhttp://hdl.handle.net/10722/308377
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 2.330
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKirscher, U-
dc.contributor.authorMitchell, RN-
dc.contributor.authorLiu, Y-
dc.contributor.authorNordsvan, AR-
dc.contributor.authorCox, GM-
dc.contributor.authorPisarevsky, SA-
dc.contributor.authorWang, C-
dc.contributor.authorWu, L-
dc.contributor.authorMurphy, B-
dc.contributor.authorLi, ZX-
dc.date.accessioned2021-12-01T07:52:32Z-
dc.date.available2021-12-01T07:52:32Z-
dc.date.issued2021-
dc.identifier.citationGeology, 2021, v. 49 n. 2, p. 174-179-
dc.identifier.issn0091-7613-
dc.identifier.urihttp://hdl.handle.net/10722/308377-
dc.description.abstractThe Australia-Laurentia connection in the Paleoproterozoic to Mesoproterozoic supercontinent Nuna is thought to have initiated by ca. 1.6 Ga when both continents were locked in a proto-SWEAT (southwestern U.S.–East Antarctic) configuration. However, the longevity of that configuration is poorly constrained. Here, we present a new high-quality paleomagnetic pole from the ca. 1.3 Ga Derim Derim sills of northern Australia that suggests Australia and Laurentia were in the same configuration at that time. This new paleopole also supports a connection between Australia and North China and, in conjunction with previously reported data from all continents, indicates that the breakup of Nuna largely occurred between ca. 1.3 and 1.2 Ga.-
dc.languageeng-
dc.publisherGeological Society of America. The Journal's web site is located at http://www.geosociety.org/pubs/-
dc.relation.ispartofGeology-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titlePaleomagnetic constraints on the duration of the Australia-Laurentia connection in the core of the Nuna supercontinent-
dc.typeArticle-
dc.identifier.emailNordsvan, AR: nordsvan@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1130/G47823.1-
dc.identifier.scopuseid_2-s2.0-85099181789-
dc.identifier.hkuros330541-
dc.identifier.volume49-
dc.identifier.issue2-
dc.identifier.spage174-
dc.identifier.epage179-
dc.identifier.isiWOS:000613644100012-
dc.publisher.placeUnited States-

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