Uranium ore-forming systems of the - Geoscience Australia
Uranium ore-forming systems of the - Geoscience Australia
Uranium ore-forming systems of the - Geoscience Australia
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<strong>Uranium</strong> <strong>ore</strong>-<strong>forming</strong> <strong>systems</strong> <strong>of</strong> <strong>the</strong> Lake Frome region1000(A)9981.4 YEARSPaleo fluid-flow model at ~ 6Ma1000(C)9981.4 YEARS500log_permeability: -17 -16 -15 -14 -13500Darcy_flux: 1E-08 3.33333E-08 5.66667E-08 8E-0800-500-5000 10000 20000X10009981.4 YEARS500tracer: 5 10 15 20 25 30 35 400-500YY-1000-1500-20000 10000 20000X10009981.4 YEARS500T (oC): 25 50 75 100 125 150 175 2000-500YY-1000-1500-2000(B)(D)-1000-1000-1500-1500-2000-20000 10000 20000X0 10000 20000XFigure 7.8: Paleo fluid-flow Post-Paralana Fault model with a layer <strong>of</strong> wea<strong>the</strong>red and fractured granite as part <strong>of</strong> <strong>the</strong> Mt Painter Inlier. A – distribution <strong>of</strong> <strong>the</strong> assignedpermeabilities; B – distribution <strong>of</strong> temperature; C – Darcy fluxes and vectors; D – distribution <strong>of</strong> <strong>the</strong> tracer. A, B, and D show fluid flow lines. Compared to <strong>the</strong> modelsabove, <strong>the</strong> tracer is introduced within <strong>the</strong> fractured/wea<strong>the</strong>red sub-domain <strong>of</strong> <strong>the</strong> Mt Painter Inlier rocks only. The model does not represent <strong>the</strong> present-day hydrogeologicalregime in areas proximal to <strong>the</strong> Four Mile and Beverley deposits.Page 94 <strong>of</strong> 151
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