datasettypes agetypes elementtypes variableunits sites taxagrouptypes elementmaturities elementportions elementsymmetries externaldatabases geopoliticalunits calibrationprograms isomaterialanalyzedtypes isosubstratetypes repositoryinstitutions taphonomicsystems variablecontexts aggregateordertypes chroncontrolaccuracydirections chroncontrolaccuracydistributions chroncontrolaccuracyranks chroncontrolprecisionranks collectiontypes contactstatuses datasetsubmissiontypes depagenttypes ecolgrouptypes ecolsettypes embargo faciestypes fractiondated geochrontypes isobiomarkertypes isoinstrumentationtypes isopretreatmenttypes isosampleintrosystemtypes isoscaletypes isostandardtypes keywords lakeparametertypes leadmodelbasis lithostratunits publicationtypes radiocarbonmethods relativeagescales relativeageunits specimendomesticstatustypes specimensextypes synonymtypes taxaalthierarchytypes uncertaintybases contacts publications aggregatedatasets variableelements constituentdatabases taxa depenvttypes rocktypes variables collectionunits datasets analysisunits samples chroncontroltypes lithostrat data geochronology specimens chronologies eventtypes chroncontrols events elementtaxagroups calibrationcurves taphonomictypes relativeages analysisunitaltdepthscales aggregatechronologies sampleages specimendates geopaths isobiomarkerbandtypes lithology publicationeditors publicationtranslators specimengenbank taxonpaths aggregatesamples analysisunitaltdepths analysisunitlithostrat collectors contactreferences contextsdatasettypes dataprocessors datasetdatabases datasetpis datasetpublications datasettaxagrouptypes datasetvariables datataxonnotes depagents elementdatasettaxagroups elementtaxagroupmaturities elementtaxagroupportions elementtaxagroupsymmetries eventpublications externalpublications externaltaxa geochroncontrols geochronpublications isomatanalsubstrate isosamplepretreatments isospecimendata isosrmetadata isovariablescaletypes lakeparameters leadmodels publicationauthors radiocarbon relativeagepublications repositoryspecimens sampleanalysts samplekeywords sitegeopolitical siteimages specimentaphonomy summarydatataphonomy taphonomicsystemsdatasettypes tephras unitsdatasettypes accumulationrates aggregatesampleages chroncontrolscal14c datasettaxonnotes datauncertainties ecolgroups eventchronology formtaxa isostandards isostratdata relativechronology specimendatescal synonyms taxaalthierarchy datasetsubmissions isoinstrumentation isometadata chroncontrolranks synonymy datasetdoi isosampleorigintypes radiocarboncalibration sitestemp sysdiagrams