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Where is the Permian-Triassic boundary (PTB) in central Peninsular Malaysia?

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cris.virtualsource.departmenta8208e1d-19ca-4887-82c6-10547fdf8415
cris.virtualsource.orcida8208e1d-19ca-4887-82c6-10547fdf8415
dc.contributor.authorSone, Masatoshien
dc.contributor.authorMetcalfe, Ianen
dc.contributor.authorLeman, Mohd Shafeeaen
dc.date.accessioned2011-08-05T11:42:00Z
dc.date.issued2011
dc.description.abstractThe Permian–Triassic boundary (PTB) is defined by the first appearance of the conodont species 'Hindeodus parvus' (Kozur & Pjatakova). It is now indicated to be 252.3 Ma by zircon U-Pb radio-isotopic dating (Mundil et al., 2004; Mundil et al., 2010). Despite decades of searching (e.g. Metcalfe, 1984), the PTB has not been located precisely to date in Malaysia. In Pahang, central Peninsular Malaysia, there are several limestone sections, which have yielded biostratigraphic data indicating the plausible presence of the PTB. Two of them, Gua Bama and Gua Sei, have now emerged as the most promising localities, since they both exhibit carbonate strata ranging from Upper Permian to Triassic. The Triassic nautiloid 'Sibyllonautilus bamaensis' was recently reported from the top of Gua Bama, confirming the presence of the Triassic (Sone et al., 2004). The Triassic nautiloid-bearing deposit accompanies abundant algae, which in general are extremely rare in the Early Triassic; therefore, it is interpreted that the uppermost part of the Gua Bama strata likely extends to the post-Early Triassic, most likely Middle Triassic (Sone et al., 2008). From the base of Gua Bama, Late Permian colaniellid foraminifers have been reported (Lim and Nuraiteng, 1994), and conodonts and brachiopods have recently been discovered. The conodonts include several species of 'Clarkina', 'Hindeodus julfensis' and 'Iranognathus movschovitschi', confirming a Changhsingian age. The brachiopods were found in the siliciclastic strata 2 m below the conodont beds; that is, passage strata from the underlying siliciclastic sequence to the limestones. They include the rare genus 'Dongpanoproductus', known elsewhere only from the upper Changhsingian of South China (He et al., 2005). Thus, the lowest part of Gua Bama is dated as late Changhsingian age, suggesting that the Gua Bama sequence probably includes the PTB transition.en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.citationProceedings of the National Geoscience Conference 2011: Geoscientists and Ethics for a Sustainable Society, p. 152-152en
dc.identifier.isbn9789839910285en
dc.identifier.staffune-id:msone2en
dc.identifier.staffune-id:imetcal2en
dc.identifier.staffune-id:mleman2en
dc.identifier.urihttps://hdl.handle.net/1959.11/8333
dc.languageenen
dc.publisherPersatuan Geologi Malaysia [Geological Society of Malaysia]en
dc.relation.conferenceNGC2011: 24th Annual National Geoscience Conferenceen
dc.relation.ispartofProceedings of the National Geoscience Conference 2011: Geoscientists and Ethics for a Sustainable Societyen
dc.subject.keywordsStratigraphy (incl Biostratigraphy and Sequence Stratigraphy)en
dc.subject.keywordsPalaeontology (incl Palynology)en
dc.titleWhere is the Permian-Triassic boundary (PTB) in central Peninsular Malaysia?en
dc.typeConference Publicationen
dspace.entity.typePublication
local.conference.detailsNGC2011: 24th Annual National Geoscience Conference, Johor Bahru, Malaysia, 11th - 12th June, 2011en
local.conference.placeJohor Bahru, Malaysiaen
local.contributor.firstnameMasatoshien
local.contributor.firstnameIanen
local.contributor.firstnameMohd Shafeeaen
local.contributor.lastnameSoneen
local.contributor.lastnameMetcalfeen
local.contributor.lastnameLemanen
local.date.conference11th - 12th June, 2011en
local.date.end2011-06-12
local.date.start2011-06-11
local.description.statisticsepubsVisitors: 198<br />Views: 264<br />Downloads: 0en
local.format.endpage152en
local.format.startpage152en
local.identifier.epublicationsrecordune-20110804-164434en
local.identifier.runningnumberPaper P2-25en
local.identifier.unepublicationidune:8509en
local.output.categoryE3en
local.output.categorydescriptionE3 Extract of Scholarly Conference Publicationen
local.profile.emailmasatoshi.sone@gmail.comen
local.profile.emailimetcal2@une.edu.auen
local.profile.emailmleman2@une.edu.auen
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local.profile.orcid#PLACEHOLDER_PARENT_METADATA_VALUE#en
local.profile.orcid#PLACEHOLDER_PARENT_METADATA_VALUE#en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.school#PLACEHOLDER_PARENT_METADATA_VALUE#en
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.school#PLACEHOLDER_PARENT_METADATA_VALUE#en
local.publisher.placeKuala Lumpur, Malaysiaen
local.record.institutionUniversity of New Englanden
local.record.placeauen
local.relation.urlhttp://geology.um.edu.my/gsmpublic/NGC2011/NGC2011_Proceedings.pdfen
local.search.authorSone, Masatoshien
local.search.authorMetcalfe, Ianen
local.search.authorLeman, Mohd Shafeeaen
local.subject.for2008040311 Stratigraphy (incl Biostratigraphy and Sequence Stratigraphy)en
local.subject.for2008040308 Palaeontology (incl Palynology)en
local.subject.seo2008850103 Oil and Gas Explorationen
local.title.maintitleWhere is the Permian-Triassic boundary (PTB) in central Peninsular Malaysia?en
local.uneassociationUnknownen
local.year.published2011en
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