Laterite Leach Tests

ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits
Exp. ID pH
ORP
(mV)
Temp.
(ºC)
TABLE 4.7
Redtree – Final Leach Liquor Compositions
P80
(µm)
Al Ca Fe Fe 3+ K Mg Mn P Si
LC9 B 2.0 500 40 250 340 156 1340 687 149 97 448 13 381
LC14 A** 2.0 500 40 250 403 156 1530 819 130 114 409 10 333
LC5 B 1.7 500 40 250 572 190 2819 1573 151 160 491 45 540
LC3 B 1.5 500 40 250 698 204 3090 1902 248 195 579 43 580
LC13 B** 1.5 500 40 250 739 241 3510 2131 200 223 528 52 667
LC5 A 1.3 500 40 250 846 254 3909 2344 201 232 557 84 731
LC6 B 1.5 550 40 250 741 201 3470 2485 215 216 658 41 632
LC3 B 1.5 500 40 250 698 204 3090 1902 248 195 579 43 580
LC12 B # 1.5 500 40 250 672 241 3330 1855 189 201 1300 51 616
LC6 C 1.5 450 40 250 745 222 3060 873 172 209 280 48 625
LC7B 1.5 500 30 250 592 206 2290 660 154 165 487 43 481
LC3 B 1.5 500 40 250 698 204 3090 1902 248 195 579 43 580
LC10B 1.5 500 50 250 1060 177 4410 2364 285 285 694 42 613
LC8 C* 1.5 500 40 250 763 154 4140 2369 258 189 486 25 689
LC3 B 1.5 500 40 250 698 204 3090 1902 248 195 579 43 580
LC13 A 1.5 500 40 350 725 176 3970 2649 223 200 504 28 657
LC3 B 1.5 500 40 250 698 204 3090 1902 248 195 579 43 580
LC7 C 1.5 500 40 150 825 216 3580 1885 172 243 827 43 628
LC11 B 1.5 500 40 75 709 210 3790 2266 147 216 697 49 630
* addition of 1.0 g/L ferric ion ** duplicate
# pyrolusite as oxidant
23