An area centred ~70 km south-east of Oodnadatta has been explored for possible buried economic giant Broken Hill type (BHT) stratiform Pb-Zn-Ag deposits which might be contained within strongly deformed and metamorphosed Palaeo- to Mesoproterozoic metasediments and metavolcanic rocks, within an effectively previously untested basement setting located at the northern end of the Peake and Denison Inliers. Here the metamorphic basement is completely covered by Mesozoic sediments of the Eromanga Basin that average around 250 m thick, overlain by a thin veneer of Tertiary and Quaternary alluvium and colluvium. Prior to the grant of the two project licences, a geological interpretation of the basement rocks in the project area was completed by Dr Douglas Haynes of Douglas Haynes Discovery Pty Ltd, using public domain geological and geophysical data. The interpretation was carried out in a GIS environment, and used public domain geological and geophysical data for the Broken Hill Block as a reference. Correlatives to the Thackaringa Group in the Broken Hill Block were thought to occur in the east and south of EL 5689, while inferred Broken Hill Group equivalents overlie the correlatives of the Thackaringa Group in the northern part of the licence area. The folding in both units appeared to be open in style, more so than that was seen in the Peake Metamorphics to the west. A main target area was defined in the north part of EL 5689 where inferred Broken Hill Group equivalents displays strong deformation in the form of folded iron formations and amphibolite having low amplitude, short wavelength, curvilinear magnetic signatures. Similar deformed iron formations and amphibolite are found at both Broken Hill and Cannington. Broad folds with long north-west axial trends were interpreted. The faulting in this area also appeared to run parallel to the early fold axial trends and lithological domain boundaries. Using the Broken Hill deposit as analogy, it was expected that mineralisation would most likely occur on the limbs of late folds. The regional magnetic data also showed high amplitude, long wavelength signatures on the western side of EL 5689. This signature was interpreted as possible magnetite enrichment accompanying IOCG alteration. Following the disappointing drilling results that BHT Minerals obtained midway through 2016 on its nearby EL 5514, it was decided shortly thereafter to surrender tenure of EL 5689.