Alligator Rivers analogue project final report volume 9 weathering and its effects on uranium redistribution

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dc.contributor.authorMurakami, Ten_AU
dc.contributor.authorIsobe, Hen_AU
dc.contributor.authorOhnuki, Ten_AU
dc.contributor.authorYanase, Nen_AU
dc.contributor.authorSato, Ten_AU
dc.contributor.authorKimura, Hen_AU
dc.contributor.authorSekine, Ken_AU
dc.contributor.authorEdis, Ren_AU
dc.contributor.authorKoppi, AJen_AU
dc.contributor.authorKlessa, DAen_AU
dc.contributor.authorConnoley, Cen_AU
dc.contributor.authorNagano, Ten_AU
dc.contributor.authorNakashima, Sen_AU
dc.contributor.authorEring, RCen_AU
dc.date.accessioned2025-07-08T01:18:43Zen_AU
dc.date.available2025-07-08T01:18:43Zen_AU
dc.date.issued1992en_AU
dc.date.statistics2024-11-26en_AU
dc.description.abstractIn the vicinity of the uranium ore deposit at Koongarra, quartz-chlorite schist, the ore host rock, has been subjected to weathering. Although quartz is resistant to weathering, chlorite has been altered to clays and iron minerals. The chlorite weathering and the uranium association with the weathered minerals are the main topics of this study. In order to clarify the weathering of chlorite and its effects on the redistribution of uranium, the processes, mechanisms, and kinetics of the chlorite weathering, and the uranium concentrations in minerals were examined by various methods: X-ray diffraction analysis, scanning electron microscopy, electron microprobe analysis, transmission electron microscopy, autoradiography, visible spectroscopy, alpha and gamma spectrometry. The observed results were compared to those calculated, based on two different models developed for the present study. Water-rock interactions have resulted in the weathering of chlorite and precipitation and sorption of uranyl from the groundwaters with the weathering products. It is concluded that the chlorite weathering affects the uranium retardation factor, and thus uranium redistribution at Koongarra.en_AU
dc.identifier.citationMurakami, T., Isobe, H., Ohnuki, T., Yanase, N., Sato, T., Kimura, H., Sekine, K., Edis, R., Koppi, A. J., Klessa. D. A., Conoley. C., Nagano, T., Nakashima, S., & Ewing, R. C. (1992). Alligator Rivers analogue project final report volume 9 weathering and its effects on uranium redistribution. Menai, NSW, Australia: Australian Nuclear Science and Technology Organisation.en_AU
dc.identifier.govdoc9982en_AU
dc.identifier.isbn0642599351en_AU
dc.identifier.otherDOE/HMIP/RR/92/079en_AU
dc.identifier.otherSKI TR 92:20-9en_AU
dc.identifier.pagination1-138en_AU
dc.identifier.placeofpublicationMenai, NSW, Australiaen_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16278en_AU
dc.language.isoenen_AU
dc.publisherAustralian Nuclear Science and Technology Organisationen_AU
dc.subjectAbsorptionen_AU
dc.subjectChemical compositionen_AU
dc.subjectCompiled dataen_AU
dc.subjectEcological concentrationen_AU
dc.subjectEnvironmental transporten_AU
dc.subjectExperimental dataen_AU
dc.subjectFlow modelsen_AU
dc.subjectGeologic modelsen_AU
dc.subjectKoongarra depositen_AU
dc.subjectRadioactive materialsen_AU
dc.subjectRadionuclide migrationen_AU
dc.subjectRock-fluid interactionsen_AU
dc.subjectSpectraen_AU
dc.subjectUranium oresen_AU
dc.subjectWeatheringen_AU
dc.subjectDataen_AU
dc.subjectGeologic depositsen_AU
dc.subjectInformationen_AU
dc.subjectMass transferen_AU
dc.subjectMathematical modelsen_AU
dc.subjectMineralsen_AU
dc.subjectNumerical dataen_AU
dc.subjectSorptionen_AU
dc.subjectUranium depositsen_AU
dc.titleAlligator Rivers analogue project final report volume 9 weathering and its effects on uranium redistributionen_AU
dc.typeBooken_AU
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