Chalk Formations as Natural Barriers towards Radionuclide Migration

Walther Batsberg Pedersen, Lars Carlsen, Bror Skytte Jensen

    Research output: Contribution to journalJournal articleResearch

    Abstract

    A series of chalk samples from the cretaceous formation overlying the Erslev salt dome have been studied in order to establish permeabilities, porosities, dispersion-, diffusion-, and sorption characteristics of the chalk. The chalk was found to be porous (∊≈0.4), however, of rather low permeability (k≈10-7 cm/sec). It was found that the material exhibits a retarding effect on migration of cationic species as Cs+, Sr2+ , Co2+, and Eu3+, whereas ionic species as Cl- move with the water front. The geochemical implications are discussed
    Original languageEnglish
    JournalRadioactive Waste Management and the Nuclear Fuel Cycle
    Volume6
    Issue number2
    Pages (from-to)121-130
    Publication statusPublished - 1985

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