Laterite Leach Tests

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ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits Run LC16 C Ferric Addition, Fine Grind (P80 - 150 µm) Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 0 pH 1.5 Solids: 1000 g Jack Leach Duration: 24 h ICP/MS Request No: 0 Leach Liquor Matrix: 818 g Sydney Tap Water Temperature: 40ºC XRF Request No: 0 Slurry: 55% ORP: 500 mV DNA Request No: 0 Fe Addition: 1.0 g/L as 3.85 g Fe2(SO4)3.7H2O pH: 1.5 Date: 12/09/2010 Time Temp. ORP Acid Free Acidity Addition Acid Cons. Oxidant Addition Fe K Mn (h) (°C) (mV) (kg/t) (g/L H2SO4) (kg/t) (kg/t) Head 929 3+ Leach Conditions Uranium Assay U Extraction (ppm U3O8) (%) Solution Assays (mg/L) Sample ID pH DNA DNA Al As Ca Fe Mg Na P LC16 C1 2 40 1.51 512 3.5 3.1 1 0.16 143 84.6 88 37 75 1211 790 62 27 22 35 33 2272 64 839 13 LC16 C2 4 40 1.51 504 3.5 3.2 1 0.20 125 86.5 104 41 80 1271 756 71 28 25 34 36 2366 85 877 15 LC16 C3 8 40 1.51 496 3.7 3.3 1 0.25 97 89.5 133 42 92 1376 680 90 31 30 37 40 2544 121 908 17 LC16 C4 12 40 1.5 495 3.8 3.3 1 0.28 91 90.2 156 43 99 1433 736 104 33 47 45 44 2631 153 922 19 LC16 C5 24 40 1.5 495 4.3 3.5 1 0.28 82 91.2 217 41 118 1550 896 143 38 95 68 51 2911 246 930 23 24 h MS 857 0 U Accountability 98.3% Comments: Element Concentration (wt.%) Sample ID Al As Ba Bi Ca Ce Cr Fe K Mg Mn Mo P Pb S Si Sr Th Ti U (ppm) U3O8 (ppm) V Y Zr Head 1.05 0.006 0.009
ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits Run LC17 A Bulk Leach Lagoon Creek Uranium Project Oxidant: Pyrolusite ICP/OES Request No: 0 pH 1.5 Solids: 60600 g Composite Leach Duration: 12 h ICP/MS Request No: 0 Leach Liquor Matrix: 49600 g Sydney Tap Water Temperature: 40ºC XRF Request No: 0 Slurry: 55% ORP: 550 mV DNA Request No: 0 Fe Addition: none pH: 1.5 Date: 28/03/2011 Leach Conditions Uranium Assay U Extraction (ppm U3O8) (%) Solution Assays (mg/L) Sample ID Time Temp. pH ORP Acid Free Acidity Addition Acid Cons. Oxidant Addition DNA DNA Al As Ca Fe Fe Mn Na P S Si U V (h) (°C) (mV) (kg/t) (g/L H2SO4) (kg/t) (kg/t) Head 1361 0 21.5 0 0 41.4 13.7 0 59.8 0 75.9 5 0 0 0 0 LC17 A1 2 40 1.54 540 17.9 3.3 15.1 5.29 218 84.0 429 84 287 4420 4420 213 117 3230 83 65 8130 469 1140 17 LC17 A2 4 40 1.50 550 21.5 3.7 18.5 5.93 84 93.8 477 96 298 4670 4420 220 130 3470 84 72 8800 515 1300 18 LC17 A3 8 40 1.50 548 22.8 3.7 19.7 6.24 53 96.1 551 100 307 5010 4690 228 152 3600 84 76 9420 553 1330 20 LC17 A4 12 40 1.50 550 23.7 3.3 21.0 6.44 52 96.2 609 100 312 5350 5016 236 170 3750 86 79 9910 589 1360 21 24 h MS 1208 19 U Accountability 91.4% Comments: 3+ K Mg Element Concentration (wt.%) Sample ID Al As Ba Bi Ca Ce Cr Fe K Mg Mn Mo P Pb S Si Sr Th Ti U (ppm) U3O8 (ppm) V Y Zr Head 1.30 0.012 0.006
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AUSTRALIAN NUCLEAR SCIENCE AND TECH
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Thickening and Vacuum Filtration Ev
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Thickener Test Summary for Laramide
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Thickener Test Summary for Laramide
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