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Article: Magnetic susceptibility study of Late Quaternary inner continental shelf sediments in the Hong Kong SAR, China

TitleMagnetic susceptibility study of Late Quaternary inner continental shelf sediments in the Hong Kong SAR, China
Authors
Issue Date2004
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quaint
Citation
Quaternary International, 2004, v. 117, p. 41-54 How to Cite?
AbstractFour cores of inner continental shelf sediment from the Hong Kong Special Administrative Region (SAR) have been measured for magnetic susceptibility. In all the cores, the upper part of Marine Isotope Stage (MIS) 1 down to about 3 m below seabed show abruptly elevated but highly variable levels of magnetic susceptibility attributable mainly to shipping contamination over the past 160 years. The uncontaminated lower MIS 1 deposits show a consistently low magnetic susceptibility above a sharp increase at the Holocene-Pleistocene boundary. This increase is accounted for by the presence of eroded palaeosol fragments enriched in iron oxides and hydroxides. Acid-sulphate soil development during MIS 2-4 on the sub-aerially exposed inner continental shelf covered by MIS 5 deposits is responsible for the formation of palaeosols. The timing is therefore the opposite of palaeosols within terrestrial loess sequences in that they were formed during the Last Glacial Period. Seventeen uncorrected conventional and accelerator mass spectrometry (AMS) radiocarbon dates of mud and shell samples from the cores indicated that the palaeosols were formed before about 9130 yr BP to 19,430 yr BP. © 2003 Elsevier Ltd and INQUA. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/72615
ISSN
2015 Impact Factor: 2.067
2015 SCImago Journal Rankings: 1.123
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYim, WWSen_HK
dc.contributor.authorHuang, Gen_HK
dc.contributor.authorChan, LSen_HK
dc.date.accessioned2010-09-06T06:43:29Z-
dc.date.available2010-09-06T06:43:29Z-
dc.date.issued2004en_HK
dc.identifier.citationQuaternary International, 2004, v. 117, p. 41-54en_HK
dc.identifier.issn1040-6182en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72615-
dc.description.abstractFour cores of inner continental shelf sediment from the Hong Kong Special Administrative Region (SAR) have been measured for magnetic susceptibility. In all the cores, the upper part of Marine Isotope Stage (MIS) 1 down to about 3 m below seabed show abruptly elevated but highly variable levels of magnetic susceptibility attributable mainly to shipping contamination over the past 160 years. The uncontaminated lower MIS 1 deposits show a consistently low magnetic susceptibility above a sharp increase at the Holocene-Pleistocene boundary. This increase is accounted for by the presence of eroded palaeosol fragments enriched in iron oxides and hydroxides. Acid-sulphate soil development during MIS 2-4 on the sub-aerially exposed inner continental shelf covered by MIS 5 deposits is responsible for the formation of palaeosols. The timing is therefore the opposite of palaeosols within terrestrial loess sequences in that they were formed during the Last Glacial Period. Seventeen uncorrected conventional and accelerator mass spectrometry (AMS) radiocarbon dates of mud and shell samples from the cores indicated that the palaeosols were formed before about 9130 yr BP to 19,430 yr BP. © 2003 Elsevier Ltd and INQUA. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quainten_HK
dc.relation.ispartofQuaternary Internationalen_HK
dc.titleMagnetic susceptibility study of Late Quaternary inner continental shelf sediments in the Hong Kong SAR, Chinaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1040-6182&volume=v 117&spage=41&epage=54&date=2004&atitle=Magnetic+susceptibility+study+of+Late+Quaternary+inner+continental+shelf+sediments+in+the+Hong+Kong+SAR,+Chinaen_HK
dc.identifier.emailYim, WWS: wwsyim@hku.hken_HK
dc.identifier.emailChan, LS: chanls@hku.hken_HK
dc.identifier.authorityYim, WWS=rp01746en_HK
dc.identifier.authorityChan, LS=rp00665en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S1040-6182(03)00115-0en_HK
dc.identifier.scopuseid_2-s2.0-1042301761en_HK
dc.identifier.hkuros93363en_HK
dc.identifier.hkuros102797-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1042301761&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume117en_HK
dc.identifier.spage41en_HK
dc.identifier.epage54en_HK
dc.identifier.isiWOS:000221857400007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYim, WWS=7007024728en_HK
dc.identifier.scopusauthoridHuang, G=7403425099en_HK
dc.identifier.scopusauthoridChan, LS=7403540528en_HK

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