An area centred ~300 km north of Marree, covering Quaternary and Recent alluvial deposits of the lower Warburton River - Kallakoopah Creek drainage system north-east of Lake Eyre North, was taken up to explore for possible rare earth element (REE) rich sediments. Attention had been drawn to this region following Crossland’s assessment of The National Geochemical Survey of Australia (NGSA) Project nation-wide sampling results. Crossland has been exploring for REE in the Alice Springs region for several years (via its Charley Creek Project) following the discovery of widespread anomalies in alluvium and overburden during an exploration program focussing on sedimentary uranium. The NGSA program had identified what appeared to be anomalies of regolith hosted REE in various samples collected in the major drainage systems north of Lake Eyre. Three exploration licences were granted to Crossland over previously unexplored ground there in June 2013. A field reconnaissance and landowner liaison trip to the Mungeranie area was made by vehicle during July 2012, when it was decided not to sample drainage material located on the subject licence, because a sample that had been collected on the company's adjoining EL 5279 to the west was representative enough for making a first-pass geochemical assessment. Following a private analysis and evaluation that was made of the sample in question (no. 204412 - 204416), and given the prevailing difficult economic conditions that pervade the junior exploration industry, it was decided to fully surrender tenure. The assay values returned had shown that most elements which were strongly anomalous in the published original NGSA survey dataset are also strongly anomalous in the samples collected by Crossland. This confirms there are regional anomalies in these sediments that are probably unique in a continental sense. The latest investigation also confirmed that the REE are concentrated in the heavy minerals fraction of the sediments. It was thought likely that this fraction will be readily recoverable using conventional technologies, in the same manner that REE bearing heavy minerals are recoverable using the mineral sands processing technology employed at Charley Creek. Zircon and probably rutile were expected to be the dominant heavy minerals present in the SA drainage samples.