Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/11273
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dc.contributor.authorBlevin, Phillipen
dc.contributor.authorChisholm, Emmaen
dc.contributor.authorCross, Andrewen
dc.contributor.authorCrowley, Jimen
dc.contributor.authorNicoll, Boben
dc.contributor.authorMetcalfe, Ianen
dc.date.accessioned2012-09-12T14:33:00Z-
dc.date.issued2012-
dc.identifier.citationProceedings of the 34th International Geological Congress, p. 3094-3094en
dc.identifier.isbn9780646578002en
dc.identifier.urihttps://hdl.handle.net/1959.11/11273-
dc.description.abstractThe late Permian Wandsworth Volcanic Group (WVG) in the southern New England Orogen (SNEO) is dominated by amalgamated rhyodacitic to felsic eruptives. Field relationships indicate a broadly contemporaneous (though not necessarily genetic) relationship with late Permian granite magmatism. Zircon SHRIMP studies show the youngest preserved member of the WVG (Dundee Rhyodacite) is 254.1 ± 2.2 Ma while the dating of the currently exposed base of the WVG indicate ages typically around 256.4 ± 1.6 Ma. A short period of substantial intermediate to acid eruptive volcanism is indicated. The compositionally unevolved Drake Volcanics to the north east are older (264.4 ± 2.5 Ma). Late Permian granites of the SNEO are dominantly 256-251 Ma (including many formally regarded as Triassic), with younger Triassic plutons (Mole, Stanthorpe, Ruby Creek, Dumboy Gragin) typically in the range 246-243 Ma. Granite magmatism youngs towards the east of the SNEO with episodic emplacement at ~240 Ma, ~230 Ma and ~220 Ma and 212 Ma, rather than a single, terminal flourish. Associated volcanism for much of this activity (except the last) has not been preserved. Of note in this study is the coincidence of mid to late Permian to Lower Triassic ages of granite magmatism and volcanism in the SNEO with ID-TIMS dating of zircons from the adjacent Sydney, Gunnedah and Bowen Basins, strongly suggesting the SNEO as the dominant source of volcanic material into these adjacent basins. The basins thus probably retain a detailed record of magmatic activity in the adjacent orogen.en
dc.languageenen
dc.publisherAustralian Geosciences Councilen
dc.relation.ispartofProceedings of the 34th International Geological Congressen
dc.titleLinking Permian magmatic activity in the southern New England Orogen with ash-fall tuff horizons in the Bowen, Gunnedah and Sydney Basinsen
dc.typeConference Publicationen
dc.relation.conferenceIGC 2012: 34th International Geological Congress: Unearthing our Past and Future - Resourcing Tomorrowen
dc.subject.keywordsGeochronologyen
dc.subject.keywordsTectonicsen
local.contributor.firstnamePhillipen
local.contributor.firstnameEmmaen
local.contributor.firstnameAndrewen
local.contributor.firstnameJimen
local.contributor.firstnameBoben
local.contributor.firstnameIanen
local.subject.for2008040303 Geochronologyen
local.subject.for2008040313 Tectonicsen
local.subject.seo2008850103 Oil and Gas Explorationen
local.subject.seo2008850101 Coal Explorationen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailimetcal2@une.edu.auen
local.output.categoryE3en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20120912-133254en
local.date.conference5th - 10th August, 2012en
local.conference.placeBrisbane, Australiaen
local.publisher.placeBrisbane, Australiaen
local.format.startpage3094en
local.format.endpage3094en
local.contributor.lastnameBlevinen
local.contributor.lastnameChisholmen
local.contributor.lastnameCrossen
local.contributor.lastnameCrowleyen
local.contributor.lastnameNicollen
local.contributor.lastnameMetcalfeen
dc.identifier.staffune-id:imetcal2en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:11472en
dc.identifier.academiclevelAcademicen
local.title.maintitleLinking Permian magmatic activity in the southern New England Orogen with ash-fall tuff horizons in the Bowen, Gunnedah and Sydney Basinsen
local.output.categorydescriptionE3 Extract of Scholarly Conference Publicationen
local.relation.urlhttp://trove.nla.gov.au/work/170160251en
local.conference.detailsIGC 2012: 34th International Geological Congress: Unearthing our Past and Future - Resourcing Tomorrow, Brisbane, Australia, 5th - 10th August, 2012en
local.search.authorBlevin, Phillipen
local.search.authorChisholm, Emmaen
local.search.authorCross, Andrewen
local.search.authorCrowley, Jimen
local.search.authorNicoll, Boben
local.search.authorMetcalfe, Ianen
local.uneassociationUnknownen
local.year.published2012en
local.subject.for2020370502 Geochronologyen
local.subject.for2020370511 Structural geology and tectonicsen
local.subject.seo2020170203 Oil and gas explorationen
local.subject.seo2020170201 Coal explorationen
local.date.start2012-08-05-
local.date.end2012-08-10-
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