{"refrec":{"BRefID":12902,"RR":"<b>Paauwe, E.F.W.</b> (1979). Grove fraktie analyses en SEM waarnemingen aan vier sedimentkernen uit de Noorse Geul ter hoogte van Egersund. <i>Interne verslagen Nederlands Instituut voor Onderzoek der Zee</i>, 1979(11). NIOZ: Texel. 70 pp.","BEntID":12902,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Interne verslagen Nederlands Instituut voor Onderzoek der Zee</i>, 1979(11). NIOZ: Texel.  70 pp.","DocTypID":13,"DocType":"Reports","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Paauwe, E.F.W.","OrigTitleTranslFlag":1,"Authorstringtrunc":"Paauwe, E.F.W.","Englishabstract":"In the Norwegian Channel off Egersund four Piston cores were taken from sediments of Late-Post Weichselian age. Of the adjoining part from the less deep North Sea-bottom and the slope between these areas six grab samples were taken. The samples were examined sediment petrographically and described by means of the so called Coarse Fraction Analysis. It was demonstrated that the differences in water depth between the sample areas is expressed in the content of quartz and feldspar, stone fragments, mica, iron-coated quartz grains, authigenic pyrite and benthonic Foraminifera. The presumably more intense turbulence in the less deep area is assumed to be responsible for these differences. From the top and bottom of each piston core about 15 quartz grains were selected for SEM study. Three different types of quartz grains could be distinguished and it was found that in all cores the same trends occurred; an upward decreasing influence of glacially and eolian transported quartz grains and upwards increasing influence of littorally transported quartz grains It was assumed that this represents the effect of rising sea-level during and after withdrawal of the ice-cap that covered the examined area during the last phase of the Weichselian.","AbstractOtherLang":"In de Noorse Geul zijn vier Piston corer monsters genomen ter hoogte van Egersund van Laat-Post Weichselien sedimenten. Op het aangrenzende deel van de ondiepere Noordzeebodem en de helling tussen beide gebieden in zijn oppervlaktemonsters genomen. De monsters zijn sedimentpetrografisch onderzocht en beschreven -m.b.v. de zogenoemde Grove Fractie Analyse -waarbij de diepteverschillen tussen de drie gebieden tot uiting komen in het gehalte aan kwarts en veldspaat, gesteentefragmenten, glimmer, kwartskorrels met ijzerhuidjes, autigene pyriet, en benthonische foraminiferen. Aangenomen wordt, dat de hogere turbulentie in de ondiepere milieu's hiervan de oorzaak is. Voorts zijn van de top en bodem van elk kernmonster ong. 15 kwartskorrel geselekteerd voor bestudering met de SEM. Drie soorten kwartskorrels konden op deze wijze onderscheiden worden, waarbij bleek, dat in alle keren dezelfde trends voorkomen, t.w. van onder naar boven neemt de invloed van glaciaal en eolisch getransporteerde kwartskorrels af en neemt de invloed van littoraal getransporteerde kwartskorrels toe. Aangenomen wordt, dat dit de reflektie is van het stijgende zeeniveau tijdens en na terugtrekking van de ijskap, die het betreffende gebied gedurende de laatse fase van het Weichselien heeft bedekt.","BibLvlCode":"MS","StandardTitle":"Grove fraktie analyses en SEM waarnemingen aan vier sedimentkernen uit de Noorse Geul ter hoogte van Egersund","OrigTitleLangCode":"nl","OrigTitleLangCodeExtended":"dut","OrigTitleLangID":41,"DateLastModified":{"date":"2025-07-22 01:33:06.175990","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":null,"MonPub":1979,"DateUpdate":"2025-07-15","DateCreate":"2001-07-05","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":null,"monrec":{"MonID":12902,"ISBN":null,"PubliDate":1979,"IssueDate":null,"Volume":"1979","Issue":"11","Pagination":"70","Place":"Texel","Edition":null,"BRefXtra":null,"BRefXtraRR":null,"SerID":5036,"SerRR":"Interne verslagen Nederlands Instituut voor Onderzoek der Zee. 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