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Alligator Rivers analogue project. Final Report. Volume 8

Abstract

This volume contains a description of the distribution of minerals and elements at Koongarra, including the distribution of radionuclides. The Koongarra orebody is situated 225 km east of Darwin in the Northern Territory of Australia. The zone of primary uranium mineralisation has been intersected by weathering conditions, and this has resulted in the formation of a secondary ore zone and dispersion fan in the weathered zone. The uranium distribution over the site was investigated to determine the extent and direction of uranium migration from the primary uranium mineralisation. The depth patterns of uranium concentration were also investigated to elucidate depths. The distribution of elements, rock and minerals, and how they may affect uranium mobility, or indicate interactions between uranium and solid phases, were considered. Multi-elemental analyses were carried out on many samples to provide basic concentration data about various geochemically significant elements, and to elucidate how the elements interact with one another, the solid substrate and the groundwater. This included the analysis of bulk rock samples, visually distinct sub-samples, different particle sizes and chemically defined phases. Similarly, mineralogical data supplied information on the substrate reacting with the groundwater. Extensive studies were undertaken to elucidate the form of uranium in the  More>>
Publication Date:
Dec 31, 1992
Product Type:
Miscellaneous
Report Number:
INIS-mf-14674
Reference Number:
SCA: 050100; PA: AIX-27:007746; EDB-96:025165; NTS-96:010988; SN: 96001535297
Resource Relation:
Other Information: PBD: 1992
Subject:
05 NUCLEAR FUELS; KOONGARRA DEPOSIT; GEOCHEMISTRY; MINERALOGY; CONCENTRATION RATIO; ELEMENT ABUNDANCE; EVALUATED DATA; EXPERIMENTAL DATA; HYDROTHERMAL ALTERATION; ISOTOPE RATIO; NATURAL ANALOGUE; ORE COMPOSITION; STRUCTURAL CHEMICAL ANALYSIS; THORIUM ISOTOPES; URANIUM ISOTOPES; URANIUM ORES
Sponsoring Organizations:
Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW (Australia); Nuclear Energy Agency, 75 - Paris (France); Power Reactor and Nuclear Fuel Development Corp., Tokyo (Japan); Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan); Swedish Nuclear Power Inspectorate, Stockholm (Sweden); Nuclear Regulatory Commission, Washington, DC (United States); Department of the Environment, London (United Kingdom)
OSTI ID:
176937
Research Organizations:
Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW (Australia)
Country of Origin:
Australia
Language:
English
Other Identifying Numbers:
Other: ON: DE96610594; TRN: AU9515018007746
Availability:
INIS; OSTI as DE96610594
Submitting Site:
AUN
Size:
255 p.
Announcement Date:
Feb 13, 1996

Citation Formats

None. Alligator Rivers analogue project. Final Report. Volume 8. Australia: N. p., 1992. Web.
None. Alligator Rivers analogue project. Final Report. Volume 8. Australia.
None. 1992. "Alligator Rivers analogue project. Final Report. Volume 8." Australia.
@misc{etde_176937,
title = {Alligator Rivers analogue project. Final Report. Volume 8}
author = {None}
abstractNote = {This volume contains a description of the distribution of minerals and elements at Koongarra, including the distribution of radionuclides. The Koongarra orebody is situated 225 km east of Darwin in the Northern Territory of Australia. The zone of primary uranium mineralisation has been intersected by weathering conditions, and this has resulted in the formation of a secondary ore zone and dispersion fan in the weathered zone. The uranium distribution over the site was investigated to determine the extent and direction of uranium migration from the primary uranium mineralisation. The depth patterns of uranium concentration were also investigated to elucidate depths. The distribution of elements, rock and minerals, and how they may affect uranium mobility, or indicate interactions between uranium and solid phases, were considered. Multi-elemental analyses were carried out on many samples to provide basic concentration data about various geochemically significant elements, and to elucidate how the elements interact with one another, the solid substrate and the groundwater. This included the analysis of bulk rock samples, visually distinct sub-samples, different particle sizes and chemically defined phases. Similarly, mineralogical data supplied information on the substrate reacting with the groundwater. Extensive studies were undertaken to elucidate the form of uranium in the weathered zones. These involved optical and electron microscopy studies and auto-radiography. Spatial trends of uranium series disequilibria in bulk rock, secondary uranium minerals and different chemically defined phases were analysed. These give information about uranium deposition and leaching, the evolution of the dispersion fan, the roles and relative importance of different mineralogical phases and processes involved in the retardation of radionuclides. 157 refs., 31 tabs., 87 figs.}
place = {Australia}
year = {1992}
month = {Dec}
}