georefid:2003-053334georefid:2003-053327SEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=10.2973/odp.proc.sr.177.112.2002<gco:CharacterString>Calcium carbonate stratigraphy from sample measurements and diffuse spectral reflectance at Site 1090, ODP Leg 177</gco:CharacterString>2003-01-01publicationgeorefid:2003-053334doi:10.2973/odp.proc.sr.177.112.2002O'Connell, SuzanneWesleyan University, Department of Earth and Environmental Sciences, Middletown, CT, United StatesauthorOrtiz, Joseph D.University of Florida, United StatesauthorTexas A&M University, Ocean Drilling Program, College Station, TX, United StatespublisherdocumentDigitalIn: Gersonde, Rainer, Hodell, David A., Blum, Peter, Andersson, Carin, Austin, William E. N., Billups, Katharina, Channell, James E. T., Charles, Christopher D., Diekmann, Bernhard, Filippelli, Gabriel M., Flores, Jose-Abel, Hewitt, Antony T., Howard, William R., Ikehara, Minoru, Janecek, Thomas R., Kanfoush, Sharon L., Kemp, Alan E. S., King, Stagg L., Kleiven, Helga Flesche, Kuhn, Gerhard, Marino, Maria, Ninnemann, Ulysses S., O'Connell, Suzanne, Ortiz, Joseph D., Stoner, Joseph S., Sugiyama, Kazuhiro, Warnke, Detlef A., Zielinski, Ulrich, Proceedings of the Ocean Drilling Program, scientific results; Southern Ocean paleoceanography; covering Leg 177 of the cruises of the drilling vessel JOIDES Resolution; Cape Town, South Africa, to Punta Arenas, Chile; sites 1088-1094; 9 December 1997-5 February 1998177A total of 776 sediment samples were measured for percent CaCO (sub 3) using a coulometer. These data are compared with percent blue reflectance (450-550 nm) measured with the Oregon State University split-core analysis track. In previous studies percent blue reflectance has been an excellent proxy for percent CaCO3 and in this study shows many of the main depositional trends (i.e., a 100-k.y. cycle, with a 55% reflectance range is evident in the upper 900 k.y., underlain by sediments exhibiting a 40-k.y. cycle with only a 30% reflectance range). Between approximately 21 and 5 Ma the average percent reflectance decreases from approximately 35% to approximately 8%. A similar decrease is also recorded between approximately 24 and 22 Ma.completedStratigraphybiostratigraphybulk densitycalcium carbonateCenozoicclimate changecorescyclesLeg 177lithostratigraphymeasurementNeogeneOcean Drilling ProgramODP Site 1090paleo-oceanographypaleoclimatologypaleoenvironmentpaleomagnetismQuaternaryreflectancesedimentationsedimentation ratesSouthern OceanTertiaryurn:org.iodp:exp:177urnlargerWorkCitationcampaignurn:org.iodp:exp:177:site:1090urnlargerWorkCitationstudyurn:org.iodp:exp:177urnlargerWorkCitationcampaignEnglishgeoscientificInformation8.53598.5359-42.5449-42.5449Data report; available only on CD-ROM in PDF format and on the Web in PDF or HTMLapplication/pdfunknownSEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContacthttp://www-odp.tamu.edu/publications/177_SR/VOLUME/CHAPTERS/SR177_06.PDFdownload