The redistribution of uranium with weathering in the Koongarra Uranium Deposit

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dc.contributor.authorEdghill, Ren_AU
dc.date.accessioned2025-12-01T06:54:12Zen_AU
dc.date.available2025-12-01T06:54:12Zen_AU
dc.date.issued1991-02-01en_AU
dc.date.statistics2025-09-10en_AU
dc.descriptionPhysical copy held by ANSTO Library at DDC: 577.277/44en_AU
dc.description.abstractIn unaltered quartz chloride schist, uranium was mainly in uraninite (UO2), which occurred in zones, fissure coatings and veinlets. The apparent diffusivity of uranium into chloritic schist from fissures was estimated to be about 10-18 m2/s. Penetration into other fissure coating material was greater than into the chlorite matrix. In slightly weathered rock, areas of iron oxidation showed increased levels of dispersed uranium. Fronts of iron oxidation appeared to move preferentially along chlorite veins, accompanied by uranium and iron enrichment. Uraninite in this core showed signs of early in situ alteration of uraninite to secondary uranium minerals. In weathered rock, alpha activity was more strongly associated with manganese oxide nodules than iron oxides nodules, followed by dispersed iron oxides coating clays, and then clays.en_AU
dc.identifier.booktitleChemistry and migration behaviour of actinides and fission products in the geosphere : proceedings of the second International Conference in Monterey, California, 6-10 November 1989en_AU
dc.identifier.citationEdghill, R. (1991). The redistribution of uranium with weathering in the Koongarra Uranium Deposit. Paper presented to the Chemistry and migration behaviour of actinides and fission products in the geosphere : proceedings of the second International Conference in Monterey, California, 6-10 November 1989. In Radiochimica Acta, 52-53(2), 381–386. doi:10.1524/ract.1991.5253.2.381en_AU
dc.identifier.conferenceenddate1989-11-10en_AU
dc.identifier.conferencenameChemistry and migration behaviour of actinides and fission products in the geosphere : second International Conferenceen_AU
dc.identifier.conferenceplaceMonterey, Californiaen_AU
dc.identifier.conferencestartdate1989-11-06en_AU
dc.identifier.isbn3486642286en_AU
dc.identifier.issn0033-8230en_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitleRadiochimica Actaen_AU
dc.identifier.pagination381-386en_AU
dc.identifier.urihttps://doi.org/10.1524/ract.1991.5253.2.487en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16750en_AU
dc.identifier.volume52-53en_AU
dc.language.isoenen_AU
dc.publisherDe Gruyteren_AU
dc.relation.urihttps://doi.org/doi:10.1524/ract.1991.5253.2.381en_AU
dc.subjectChlorite mineralsen_AU
dc.subjectDiffusionen_AU
dc.subjectIron oxidesen_AU
dc.subjectKoongarra depositen_AU
dc.subjectManganese oxidesen_AU
dc.subjectQuartzen_AU
dc.subjectRadionuclide migrationen_AU
dc.subjectSchistsen_AU
dc.subjectSpatial distributionen_AU
dc.subjectUraniumen_AU
dc.subjectUranium oresen_AU
dc.subjectWeatheringen_AU
dc.subjectUranium depositsen_AU
dc.subjectActinidesen_AU
dc.subjectMetamorphic rocksen_AU
dc.titleThe redistribution of uranium with weathering in the Koongarra Uranium Depositen_AU
dc.typeConference Paperen_AU
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