Solid (REE) rare earths recovery rates at Mt Ridley, page-9

They have. “re-assayed using a weak aqua regia solution”…”the test work indicated….” Etc

21 October 2021HIGHLIGHTSASX ANNOUNCEMENTENCOURAGING RARE EARTH EXTRACTION RESULTS• 489 composite samples from 215 drill holes, representing 1,409 metres of drilling anomalous with rare earth elements (“REE”1), re-assayed using a weak aqua regia2 acid solution to indicate the proportion of readily soluble REE.• The test work indicated that at a grade of approximately 800ppm total rare earth oxides (“TREO”3), 80% of light REO4, 76% of heavy REO5 and 80% of critical REO6 was taken into solution under the conditions trialled.• An updated geological model suggests REE mineralisation occurs in Eocene-aged sediments of the SalmonGums Plains, part of the on-shore Eucla basin.• Drill holes that have returned elevated REE extend over an area 25 kilometres long and 3 kilometres wide.Drilling is planned to further frame out the extent of mineralisation, which is currently open in all directions.