Discrete fracture simulations of the hydrogeology at Koongarra, Northern Territory, Australia

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The US Department of Energy is studying the Alligator Rivers Natural Analogue Project site at Koongarra, Northern Territory, Australia to investigate and simulate radionuclide migration in fractured rocks. Discrete fracture simulations were conducted within a cubic volume (180-m edge length) of fractured Cahill Formation schist oriented with one major axis parallel to the trend of the Koongarra Fault. Five hundred fractures are simulated within this domain. The fractures have a mean orientation parallel to the idealized plane of the Koongarra Fault dipping 55{degrees} SE. Simple flow modeling of this fracture network was conducted by assigning constant head boundaries to upgradient ... continued below

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Pages: (8 p)

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Smoot, J.L. April 1, 1992.

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The US Department of Energy is studying the Alligator Rivers Natural Analogue Project site at Koongarra, Northern Territory, Australia to investigate and simulate radionuclide migration in fractured rocks. Discrete fracture simulations were conducted within a cubic volume (180-m edge length) of fractured Cahill Formation schist oriented with one major axis parallel to the trend of the Koongarra Fault. Five hundred fractures are simulated within this domain. The fractures have a mean orientation parallel to the idealized plane of the Koongarra Fault dipping 55{degrees} SE. Simple flow modeling of this fracture network was conducted by assigning constant head boundaries to upgradient and downgradient vertical faces of the cube, which trend parallel to the fault. No-flow boundaries were assigned to all other faces. The fracture network allows hydraulic communication across the block, in spite of relatively low fracture density across the block.

Physical Description

Pages: (8 p)

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OSTI; NTIS; GPO Dep.

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  • International high level radioactive waste management (IHLRWM) conference: promoting understanding through education and communication, Las Vegas, NV (United States), 12-16 Apr 1992

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  • Other: DE92012340
  • Report No.: PNL-SA-20705
  • Report No.: CONF-920430--86
  • Grant Number: AC06-76RL01830
  • Office of Scientific & Technical Information Report Number: 5270681
  • Archival Resource Key: ark:/67531/metadc1064020

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • April 1, 1992

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  • Feb. 4, 2018, 10:51 a.m.

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  • April 20, 2018, 12:32 p.m.

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Smoot, J.L. Discrete fracture simulations of the hydrogeology at Koongarra, Northern Territory, Australia, article, April 1, 1992; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1064020/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.