Continued exploration for Archaean lode-style gold and Mesoproterozoic Hiltaba Suite granite-related hydrothermal Cu-Au within the retained southern former subarea 'B' of EL 2518 located ~40 km south-east of Tarcoola, where there is also potential for finding ultramafic intrusion-related nickel mineralisation, began with MIM conducting a 6 line km moving loop ground TEM survey in the north-eastern corner of this licence portion. The results confirmed the presence of a bedrock conductor which had been detected earlier in data made available from PIRSA's 2001 Lake Harris Airborne EM Survey. In May 2003 it was decided to relinquish a further approx. 25% of EL 2518 due to its perceived diminished prospectivity. The only work performed on this ground had been the collection and assaying by MIM of 1574 calcrete samples, and the drilling of one aircore hole to a depth of 45 m. The data obtained from these activities is presented herein. During 2003-2004, work carried out by Range River Gold was focussed primarily on the historic Glenloth Goldfield area, and included: - conducting a review of past exploration data; - performing a field geological reconnaissance; - collecting and assaying 213 rock chip samples; - undertaking exploratory calcrete sampling – initially collecting 525 samples on a 400 m x 400 m grid, followed by 91 infill samples on a 100 m x 100 m grid; - drilling 11 RC holes for a toal penetration of 1433 m during April 2004 on two prospects – Mount Mitchell and Lone Hand - Yarrawonga. The company's interpretation of airborne geophysical data combined with field reconnaissance and geochemical sampling identified quartz-filled mylonite zones and quartz veins related to the gold workings, that are aligned with a series of prominent northwest-trending linear demagnetised zones. Rock chip sampling of quartz and quartz-dolerite outcrop returned impressive results, with the gold content of 54 samples exceeding 1 g/t Au (highest 168 g/t Au). This level of mineralisation was thought to be in accord with the widespread occurrence of mapped silica-sericite-pyrite alteration. Calcrete at the goldfield was sampled over an area of approximately 60 square km. Anomalous gold-in-calcrete was found to be widespread, with values ranging up to 59 ppb Au. Several large discrete anomalies were identified, including a linear northwest-trending zone encompassing a series of historical gold workings, that extends across the central part of the sampled area. At Glenloth the principal drill targets beneath surface gold anomalies were sheeted quartz veins, and quartz vein stockworks associated with sheared dolerite contacts in sericite-chlorite-pyrite altered granite. Holes were drilled at least 10 m into fresh bedrock to ensure that bedrock samples were taken from below the zone of leaching in the upper levels of kaolinised granite. At Mount Mitchell, 9 holes for 1164 m were drilled into a small nearby hillock of subcropping quartz and kaolinized granite which is the site of old workings. The drill cuttings assay results were of low grade, and failed to support the previous anomalous rock chip values. The best intercepts comprised 9 m @ 0.23 g/t Au from 36 m depth in hole GLRC002, 11 m @ 0.14 g/t Au from 32 m depth in hole GLRC005, 5 m @ 0.45 g/t Au from 41 m depth in hole GLRC006 (including 1 m @ 1.87 g/t Au from 42 m), 2 m @ 0.23 g/t Au from 54 m depth in hole GLRC008, and 3 m @ 0.1 g/t Au from 37 m depth in hole GLRC009. At Lone Hand – Yarrawonga, 2 RC holes for 269 m were drilled to test below a 100 m long line of old workings. Again the drilling results were of low grade, and failed to support the previous anomalous rock chip values. The best intercepts comprised 6 m @ 0.22 g/t Au from 38 m depth in hole GLRC010, and 8 m @ 0.19 g/t Au from 36 m depth in hole GLRC011 (including 1 m @ 0.62 g/t Au from 36 m). Range River Gold surmised that possible causes for the disappointing drill outcomes could be either that the present ground surface is a deflation zone, and thus gold bearing quartz veins have accumulated at surface, or else that there is a sampling problem associated with coarse gold in the mineralised zones. During the 2004-2005 licence year the licensee performed a field reconnaissance in the Old Well and New Well prospect areas in the south-western corner of the tenement, which lie ~ 5 to 10 km NNW of the Tunkillia gold deposit, besides continuing its evaluation of the Glenloth Goldfield, and collected 590 calcrete samples and 19 rock chip samples for assay. 375 of the calcrete samples were taken at Glenloth on a 100 m x 100 m infill grid spacing. A number of anomalous results were forthcoming which warranted investigation. A number of potential drilling targets located in the south-western part of EL 3107, where MIM had earlier identified a large and coherent gold-in-calcrete anomaly which is underlain by favourable structures related to the intersection of the Yarlbrinda and Yerda Shear Zones, were described in a proposal submitted to PIRSA by the company, seeking the grant of Round 2 (2005) PACE Initiative Theme 2 drilling project subsidy funding. The proposal was partly successful, attracting a reduced amount of funding to allow the drilling of 8 RC holes and 88 AC holes between September 2005 and March 2006 [PACE project DPY2-45 : see open file Envelope 11,166 for final report]. But this programme returned only consistently very low gold from within the major primary structures, although secondary splays from the Yerda Shear Zone are mineralised. The best intercept of 632 ppb Au came from the depth interval 48-52 m in drillhole GLAC086, which cut a shear zone that extends eastwards for at least 15 km to MIM’s Arcoodaby prospect. In March 2005, Minotaur Exploration Ltd entered into a joint venture over EL 3107 and became the new operator of the tenement, with the aim of exploring for both gold-only and IOCG-style mineralisation. Mithril Resources Ltd also entered into a separate and concurrent joint venture with Range River Gold, to explore the tenement for nickel mineralisation. During licence Year 3, Minotaur Exploration carried out the following work: • acquisition of a ground gravity survey covering the western half of EL 3107, comprising regional stations at a spacing of 1 km x 1 km, infill at 500 m x 500 m, and detailed observations at a station spacing of 100 m along two select E–W and N–S lines, collectively totalling 933 points. • acquisition of a ground magnetic survey across a large, 11 mGal magnitude regional gravity anomaly located 25 km W of Yerda Outstation. Readings were taken every 10 m along two N–S lines each 3.5 km long and spaced 500 m apart, and totalled 707 points. • acquisition of a ground magnetic survey across a small discrete reversely polarised magnetic anomaly located 2.5 km NW of Yerda Outstation, incorporating three E–W and three N–S lines each 2 km long. Readings were taken every 10 m and totaled 1206 points. • Soil sampling within the Glenloth Goldfield, at intervals of 100 m along three NE–SW lines, for a total of 28 samples. • acquisition of a ground EM survey ~16 km NW of Yerda Outstation, that involved taking readings at 371 moving loop stations along 12 N–S lines utilising 50 m intervals and a 100 m loop. This survey, along with an associated soil sampling survey, was undertaken by Mithril Resources to look for possible economic nickel mineralisation within buried rocks of the Archaean Lake Harris Greenstone Belt. • the conduct of various drilling programmes together consisting of 88 aircore holes and 21 RC holes totalling 8340 m, to test inferred gold only, IOCG and kimberlite targets. Test drilling of the major gravity anomaly by three vertical RC drillholes GL05R01 - GL05R03 revealed that its source is an unmineralised, massive quartzose biotite-hornblende-hypersthene gabbro. Holes GLAC038 and GLAC039, which were drilled into the reversely polarised small magnetic body with inferred kimberlite potential, showed that it is caused by a diatreme containing abundant angular xenoliths of granite and pyroxenite within a matrix of basaltic to andesitic pyroclastic tuff and amygdaloidal lava. 7 of 10 inclined RC holes completed at the Glenloth Goldfield (GLRC518 - GLRC527) encountered elevated supergene style gold (>100 ppb Au) within moderately to highly altered basement rocks, with the best intercepts coming from hole GLRC523 sited to the south of the Glen Markie mine, where maxima of 1.31 ppm Au and 1.09 ppm Au were recorded in drill cuttings samples collected from the respective depth intervals 35-36 m and 36-37 m. The ground EM survey near Hopeful Hill defined one good conductor associated with exposed basalt, but a subsequent local soil survey along 3 sampling lines, plus assaying of a single rock chip sample, revealed no anomalous Ni or Cu, which suggested that massive sulphides were not responsible for the EM anomaly. During licence Year 4, Minotaur Exploration carried out the following work: • An airborne TEMPEST EM survey was undertaken over the western portion of the tenement during July-August 2006 in order to delineate any buried palaeochannels with potential to host sedimentary uranium mineralisation. Coverage along 1 km spaced flight lines comprised 197 line km of 1 km spaced stations. The new AEM data successfully defined a westerly trending palaeochannel segment feeding into a northwards trending main channel which lies within an adjoining licence area, close to the shared tenement boundary. • Ten shallow aircore holes totalling 398 m were drilled at the Cooritta North prospect, located only 1–2 km N of the Yerda Shear Zone, which comprises a weakly magnetic arcuate anomaly and adjacent (to the east) triangular zone of low magnetic intensity. The target was Mesoproterozoic gold mineralisation, but no anomalous Au values were obtained. • Three shallow RAB percussion holes (total 87 m) were drilled near Hopeful Hill within Archaean basalt to target a shallow, highly conductive, steeply-dipping body defined by previous moving-loop and fixed-loop ground EM data. All three holes experienced drilling problems, with each collapsing before reaching its target depth. The basalt in hole HHRB02 was mineralised with up to 5% pyrite and pyrrhotite from 20–33 m depth (EOH), at a location coincident with the up-dip extent of the modelled conductor. No significant gold values were obtained (maximum 250 ppb Au), although an elevated zinc content of 2197 ppm Zn occurs in hole HHRB02, from 31–32 m depth. No other significant analysis results were returned from assaying for a wide range of base and precious metals. No further field activities took place during the fifth licence year of EL 3107. Instead, Minotaur Exploration undertook joint venture negotiations and investigated ways of further advancing the economic potential of a resource of gold mineralisation present within the Glenloth Goldfield.