Laterite Leach Tests

ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits
Run LC5 C High ORP Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002460
pH 1.5 Solids: 1000 g Junnagunna Leach Duration: 24 h ICP/MS Request No: 1002460
Leach Liquor Matrix: 818 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002483
Slurry: 55% ORP: 550 mV
DNA Request No: 1002483
Fe Addition: none pH: 1.5 Date: 12/08/10
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 1370
LC5 C1 2 40 1.52 550 11.2 6.4 6 1.04 157 88.5 314 28 359 1758 1695 118 175 394 246 57 4320 417 1113 16
LC5 C2 4 40 1.48 550 12.7 5.9 8 1.31 75 94.6 368 33 371 2177 2052 128 194 495 283 62 4824 446 1213 17
LC5 C3 8 40 1.54 550 13.9 4.3 10 1.63 48 96.5 425 35 364 2576 2455 136 212 579 313 61 5008 480 1167 18
LC5 C4 12 40 1.59 550 14.7 4.0 11 1.82 39 97.2 506 40 388 3017 2882 152 247 680 359 66 5786 538 1254 21
LC5 C5 24 40 1.47 492 18.3 4.8 14 1.82 28 97.9 657 39 388 3509 2654 170 313 674 351 63 6700 592 1169 26
24 h MS 1233 32
U Accountability 82.6%
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 1.53 0.004 0.012