Laterite Leach Tests

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ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits Run LC12 C Optimised Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002752 pH 1.5 Solids: 1021 g Jack Leach Duration: 24 h ICP/MS Request No: 1002752 Leach Liquor Matrix: 835 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002809 Slurry: 55% ORP: 500 mV DNA Request No: 1002809 Fe Addition: none pH: 1.5 Date: 9/09/2010 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 LC12 C1 2 40 1.52 505 4.4 4.1 1 0.22 216 76.8 79 36 219 167 100 58 18 95 56 82 1630 59 715 13 LC12 C2 4 40 1.48 500 4.7 4.2 1 0.26 203 78.2 102 39 254 201 178 76 20 115 63 96 1850 86 754 15 LC12 C3 8 40 1.47 500 5.0 4.4 1 0.32 164 82.3 131 40 279 252 214 107 22 138 73 105 2050 129 792 18 LC12 C4 12 40 1.5 500 5.0 4.5 1 0.37 149 84.0 163 40 285 290 238 131 25 148 80 105 2120 167 789 20 LC12 C5 24 40 1.5 449 5.5 4.4 2 0.37 119 87.2 239 39 284 380 139 190 29 147 77 103 2360 264 796 24 24 h MS 785 22 U Accountability 94.4% 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 LC13 A Coarse Grind (350 µm) Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 0 pH 1.5 Solids: 1000 g Garee (Redtree) Composite 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: none pH: 1.5 Date: 12/10/10 Sample ID Uranium Leach Conditions ppm Ext'n Solution Assays (mg/L) U3O8 (%) Time Temp. pH ORP Acid Free Acidity Addition Acid Cons. Oxidant Addition DNA DNA Al As Ca Fe K Mg Mn Na (h) (°C) (mV) (kg/t) (g/L H 2SO 4) (kg/t) (kg/t) Head 1704 LC13 A1 2 40 2.01 499 3.2 0.0 3 0.50 519 69.5 127 39 148 351 177 89 59 200 122
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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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