Illite K–Ar dating and crystal growth processes in diagenetic environments: a critical review

cic.isFulltexttruees
cic.isPeerReviewedtruees
cic.lugarDesarrolloCentro de Tecnología de Recursos Minerales y Cerámica es
cic.versioninfo:eu-repo/semantics/submittedVersiones
dc.date.accessioned2016-09-16T13:52:31Z
dc.date.available2016-09-16T13:52:31Z
dc.identifier.urihttps://digital.cic.gba.gob.ar/handle/11746/4246
dc.titleIllite K–Ar dating and crystal growth processes in diagenetic environments: a critical reviewen
dc.typeArtículoes
dcterms.abstractK–Ar dating of illitic minerals is commonly used in studies of diagenetic series applied to oil prospecting. In spite of a great number of specialized papers, some problems remain unresolved. These are mostly due to a misunderstanding of the argon accumulation process during illitization. Criteria for identifying detrital–authigenic mineral mixtures, crystal ripening, fast precipitation or continuous nucleation-growth processes are discussed using K–Ar data available in the literature. Using different parameters, such as Dage (age K–Ar ) age strati), D cryst (diagenetic ageK–Ar ) age strati) or D frac (age K–Arfraction ) age K–Ar finest), it is shown that the K–Ar age significance depends on the illite nucleation–growth processes. A ‘diagenetic age’ is obtained when these processes are rapid (the K2O accumulation period is shorter than 2r). If lower than this value, the K–Ar ratio depends on the proportions of new and old particles, respectively, which are controlled by the relative rates of nucleation, crystal growth and ripening.en
dcterms.creator.authorMeunier, Alaines
dcterms.creator.authorVelde, Brucees
dcterms.creator.authorZalba, Patricia Eugeniaes
dcterms.extent9 p.es
dcterms.isPartOf.issuevol. 16es
dcterms.isPartOf.seriesTerranovaes
dcterms.issued2004-07-17
dcterms.languageIngléses
dcterms.licenseAttribution 4.0 International (BY 4.0)es
dcterms.subjectK–Ar dataen
dcterms.subjectdifferent clay size fractionsen
dcterms.subjectcrystal growthen
dcterms.subjectAr accumulationen
dcterms.subjectdiagenesisen
dcterms.subject.materiaMineralogíaes
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