georefid:2004-046078SEDIS Publication Catalogue

ana.macario@awi.de

http://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=10.1360/03wd01562003-01-01publicationgeorefid:2004-046078doi:10.1360/03wd0156Wang PinxianTongji University, Laboratory of Marine Geology, Shanghai, ChinaauthorJian ZhiminChinese Academy of Sciences, ChinaauthorZhao QuanhongChina University of Geosciences, ChinaauthorLi QianyuauthorWang RujianauthorLiu ZhifeiauthorWu GuoxuanauthorShao LeiauthorWang JiliangauthorHuang BaoqiauthorFang DianyongauthorTian JunauthorLi JianruauthorLi XianhuaauthorWei GangjianauthorSun XiangjunauthorLuo YunliauthorSu XinauthorMao ShaozhiauthorChen MuhongauthorScience Press, Beijing, ChinapublisherdocumentHardcopyChinese Science Bulletin48 (23)2549-2561As the third summary report of ODP Leg 184 to the South China Sea (SCS), this paper discusses the evolution of the East Asian monsoon and the SCS basin. A multi-proxy approach, involving geochemistry, micropaleontology, pollen and other analyses, was adopted for reconstructing the evolutionary history of the East Asian monsoon, which was characterized by a series of paleo-climate events especially at 8, 3.2, 2.2 and 0.4 Ma. The new record indicates similar stages in the development of the East and South Asian monsoons, with an enhanced winter monsoon over East Asia being the major difference. The rich spectrums of monsoon variability from the southern SCS also reveal other characteristic features of the low latitude ocean. Evidence for the evolution of the SCS includes the hemipelagic Oligocene sediments, implying the existence of deep water environments during the early seafloor spreading stage of the SCS basin. The four major unconformities and some remarkable diagenetic features in upper Oligocene deposits indicate the strongest tectonic events in the region. From a careful comparison of lithologies and sedimentation rates, we conclude that the prominent differences in sedimentary environments between the southern and northern SCS were established only by approximately 3 Ma.completedStratigraphyCenozoicdeep-sea environmentLeg 184lithostratigraphymarine environmentmarine sedimentsmonsoonsNeogeneNorth PacificNorthwest PacificOcean Drilling ProgramOligocenePacific Oceanpaleo-oceanographypaleoclimatologyPaleogeneprovenanceQuaternarysediment transportsedimentsSouth China SeaTertiaryunconformitiesWest Pacificwind transporturn:org.iodp:exp:184urnlargerWorkCitationcampaignEnglishgeoscientificInformation113.1707113.17079.21439.2143