Exploration as part of a continuing regional search for possible diamondiferous kimberlites was undertaken 70 km west-northwest of Roxby Downs. Extensive sampling of current drainage lines in interdune swales, plus loam sampling in other geomorphologically exhumed palaeodrainage locations, revealed a broad dispersion pattern of kimberlitic indicator minerals which was interpreted as not reflecting a primary source. An examination of past drillhole geological data was undertaken to try to determine if the indicator grain dispersions correlated with the predominant sedimentary lithologies, but no strong relationship was evident. A ground magnetic survey was conducted over a photo-interpreted subsidence feature, but the results were inconclusive. Detailed stream and barrage sampling of fresh material from outcrops of the Boorthanna Formation and Algebuckina Sandstone also failed to define any source for the indicator minerals.