Reeceetal.,DataReport#322-2051Detailedresponsetoreviewers’commentsAndreHüpers’comments(externalreviewer):GeneralCommentsReeceetal.conductedacomprehensivesetofgeotechnicaltestsonresedimentedclaystonesrecoveredfromIODPSiteC0011,whichtheyblendwithsilicasilt.ThemethodsarewellexplainedandthepresenteddataofAtterberglimits,consolidationcharacteristics,permeability,grainsizeandmicrofabricanalysisareofhighquality.Theauthorsprovidesummariesofkeyparameterintablesandfiguressuchthatitiseasytocomparethemwithotherdataonphysicalpropertiesand/oremploythemfornumericalmodels.InthelightofporecorequalityduringIODPEXP322,theappliedre-sedimentationtechniqueisanimportantapproachtoassessconsolidationpropertieswithasmallnumberofminorcorrectionsthatshouldbecompletedpriortopublication.1.Accuracyandcompletenessoftechnical(scientific)content:Ingeneralthereporteddatasetsarecompleteandeasytoreadandcomprehend.However,therearetwotopicswhichshouldbesolvedbeforepublication:a)Itremainsunknownhowmanysampleswentintotheartificialmixtures.DidyouuseonesamplefromUnitIIIandonesamplefromUnitIV?IncasemostofthesamplesoriginatedfromUnitIII,theresultingmixturewouldalsobemorerepresentativeforUnitIII.Thus,itisimportanttoknowhowmanysampleswereused(andfromwhichdepth/units)andhowmuchvolume/massofthesampleswentintothemixture.Pleaseprovideasamplelistwithinformation.Weabsolutelyagreewiththereviewer.Weused4samplesof13kgintotalofUnitIIIand5samplesof10.6kgintotalofUnitIVwithonesamplethatcontainsmaterialfrombothunitsandweights1.3kg;soalmostequalamountsofbothLithologicUnits.WeaddedanewTableT1withadetailedsamplelisttothemanuscript.Thismovesalltablenumbersupbyonedigit.b)Theauthorsdescribeachangeincompressionindiceswithdecreasingvaluesforhighereffectiveverticalstressesbutonlyreportvaluefor5-21MPa.PleaseprovidealsoCc(andCe)forthelowstressrangesuchthatthereadercanassessthemagnitudeofchange.Thisisagoodpoint.WedeterminedCcvaluesforthelowstressrange(0.2to5MPa)andreportedthenumbersinthetextandaddedthemtoTableT6.Cewasincorrectlystatedtochangewithverticaleffectivestress.Themagnitudeinchangeisnegligiblysmall.Also,weonlyunloadedthespecimenstoanOCRoffour=5MPa,sowedonothaveunloadingdatafrom0.2to5MPainordertocomparewithCc.Thus,wedeletedthepartofthesentencethatsaidCewouldchangewithverticaleffectivestress.Reeceetal.,DataReport#322-2052EmbeddedcommentsinPDF:Abstract:YoushouldusethetermClaystonetobeconsistentwithlithologicaldescriptionoftheEXP322preliminaryresultsandproceedingsEditedassuggestedthroughouttheentiremanuscript.Introduction:Inadditiontothisverybroadbenefit,howdoesNanTroSEIZEbenefitsfromthedatareport?1or2sentenceshowthedatacouldbeusedintheNanTroSEIZEframeworkwouldbenice...WeaddedtwosentencesonhowourdataisimportantforNanTroSEIZEorotherconvergentmargins.YoumaywanttocitealsoTobinandKinoshita(2006)whosummarizedNanTroSEIZEgoalsWeaddedTobinandKinoshita(2006)asreference.CitationneededWeaddedUnderwoodetal.(2009)ascitationhere.Whatisthebenefitofusingresedimentedsamples?Itismentionedinthemethodssectionbutitmaybeappropiatetopresentithere.Weagreewiththereviewer.Wemovedthestatementaboutbenefitsofresedimentationtotheendoftheintroductionexpandingabitonitspurposeforsystematicstudiestounderstandfundamentalsedimentbehavior.LaboratoryTestingMethodology(samplehandlingandpreparation):ItisunclearhowmanysampleswereusedandfromwhichUnits.AsamplelistshouldbeprovidedWeagreewiththereviewer’scomment.Atotalof10bagswithmaterialfromvariouscoreswerecollected.Thetotalmasswas24.9kg.WeaddedasamplelistasTableT1withdetailsonmass,coreorigin,andlithologicUnitofeachbag.Doyouactuallypulverizedthesample?Ifso,itmaybenecessarytoexplainwhy...Wegroundthebulkmaterialinaballgrinderinordertodestroyaggregatesandstartfromanunstructuredfabric.Weaddedthisdetailtothemanuscript.Doyouusedthesameamount(eithermassorvolume)fromallsamplestoformthebatch?Reeceetal.,DataReport#322-2053No,inordertohavethemaximumamountofmaterialforthesinglebatchallowingseveralgeotechnicalexperiments,wemixedall24.9kgtogetherinonesinglebatchensuringhomogeneity.Thus,wedidnotusethesameamountofeachbagorcoreorunit.Thisdetailisnowaddedtothedescriptionofsamplepreparation.LaboratoryTestingMethodology(Sampledescription):Citationofmethodsisneededhere.BasedonMichaelUnderwood’scommentsweaddedsomedetailsonthemethodandalsoaddedtwocitations(seeresponsetocommentfurtherbelow).LaboratoryTestingMethodology(ParticleSizeAnalysis):Whatsurface?Weclarifiedthatwemeanttheair–suspensioninterface.LaboratoryTestingMethodology(Resedimentation):add(Gs)Editedassuggested.R/VChikyuinsteadofJOIDESResolutionEditedassuggested.LaboratoryTestingMethodology(Constantrateofstrainconsolidationtesting):add‘base’betweenexcessandporepressureEditedassuggested.add‘pore’betweenbaseandpressureEditedassuggested.Theequationlooksoddasitisalthoughisnotfalse.Youmaywanttorearrangetheequationtosigma'v=sigmav-uc-2/3*delta_ubecauseyousubstractchamberpressurefromtheappliedverticalstressandthensubstract2/3delta_u(cfASTMforCRStestseq.12,18,21).Editedassuggested.Results(Resedimentation):ItwouldbenicetohaveallCcinthetable