Dart Mining NL announced the assay results of deep diamond drilling of geophysical targets completed this year. The assays demonstrate broad intervals of gold mineralisation, coincident with intervals of copper, silver and molybdenum. Assay results returned from the diamond drilling program comprising 1002.38m of drilling across three holes completed earlier this year (DTM ASX 26th May 2022), have returned exceptionally long intersections of low grade gold with intervals of copper and molybdenum mineralisation at Dart Mining's wholly owned Granite Flat project.

The holes were primarily designed to test strong Induced polarization ("IP") chargeability anomalies which were interpreted to possibly represent stronger zones of sulphide development. Hole EMDDH006 was designed to target a substantial induced polarization (IP) geophysical anomaly identified in late 2021 (DTM ASX 29th September 2021). At 432.06m depth, EMDDH006 represents the deepest hole to date in the Granite Flat project.

Throughout the length of this hole, several intervals of potassic- and phyllic-altered quartz-feldspar porphyry and monzodiorite were identified, which are broadly associated with low grade copper-gold and molybdenum mineralisation. The copper and molybdenum grade distribution in EMDDH006 displays a notable correspondence with the IP anomaly targeted, whereby gold mineralisation is associated with a low chargeability zone immediately above the high chargeability anomaly targeted (Figure 1). Molybdenum mineralisation primarily follows the outer portion of the high chargeability anomaly, and all copper, molybdenum and gold mineralisation diminished towards the centre of the high chargeability anomaly (Figure 1).

EMDDH007 targeted a second significant IP anomaly, 1.3 km away on the southern side of the Granite Flat project and was drilled to a depth of 267.32m. Hole EMDDH007 encountered narrower zones of gold, silver, and copper mineralisation, in part associated with narrow structures and basaltic dykes carrying disseminated pyrite and chalcopyrite, with semi-massive sulphide mineralisation near the margins (Figure 2). Diamond hole EMDDH008 was drilled to a depth of 303m and targeted a sheeted vein system situated above a zone of elevated resistivity.

Whilst not a strong low chargeability anomaly, the assay results from EMDDH008 display a similar pattern to the previous two holes, whereby zones of diminished chargeability are associated with long intercepts of low-grade gold mineralisation. These results indicate that significant intercepts of long, low-grade gold mineralisation appear to be more closely associated with areas of elevated resistivity. Dart's preliminary interpretation is that zones of moderate to strong resistivity may be reflect areas of stronger silicification favourable to gold mineralisation and potentially to stronger chalcopyrite mineralisation (chalcopyrite is not a chargeable sulphide species).

As a consequence of this interpretation, Dart Mining intends to test the strong resistivity anomalies located between the strong chargeability anomalies. The gold results from the three diamond holes are very encouraging, demonstrating strong, low-grade gold mineralisation over long intervals in holes separated by up to 1.5km. This further demonstrates that the mineralizing system at Granite Flat is of significant size, corroborated by the exceptional soil results as reported in DTM ASX 4th August 2022.

The Company looks forward to advancing the project with the next stage of drilling targeting both the recently announced geochemical anomalies and the IP resistivity anomalies.