The Vuda and Sabeto Projects are adjacent, sharing a common border. Both are situated on a bitumen highway, 10km from the international airport and 15km from the town of Nadi.
Vuda and Sabeto projects are interpreted to be part of the same system. At Vuda; geochemistry, geophysics, a large alteration system and significant epithermal gold mineralisation in historic drilling around the upper rim of the 1.5km wide system point to a potential world-class, gold-copper porphyry target at depth. At Sabeto; geochemistry and initial drilling have identified a sanidine porphyry that has anomalous mineralisation associated with it. High ratios of gold to copper and the style of mineralisation, are similar to other alkalic porphyry systems like Cadia. Drilling has only tested the upper regions of the system.
Together these Projects form part of a larger porphyry system with the epithermal upper levels of the system present at Vuda and an adjacent deeper part of the system present at the nearby Sabeto Project. The high-grade, near-surface epithermal mineralisation typical of the Vuda Project has the potential to be exploited along with the deeper porphyry mineralisation. Sabeto is below the epithermal zone but does have the gold to copper ratios typical of an alkali porphyry system.
Epithermal gold and porphyry copper prospects with an intermediate level of exploration
Vuda has coincident airmagnetic geophysical, geochemical and topographical anomalies that suggest the presence of a porphyry system below the near-surface epithermal gold mineralisation. There are several distinct epithermal vein-hosted prospects around the rim of the magnetic anomaly all of which have associated high-grade gold intersections. The centre of the geophysical anomaly has alteration minerals of the type expected in a large porphyry system.
Drilling the Vuda epithermal mineralisation has produced significant intersections from several different zones situated around the edge of the geophysical anomaly.
High-grade gold in drilling intersections include:
- 38m @ 1.76ppm Au from 29m (Tei Tei Prospect)
- 5m @ 4.98ppm Au from 0.5m (Natalau Prospect)
- 9m @ 13.06ppm Au from surface (Crown Prospect)
The results above have not previously been released. RC-048 was drilled by Freeport of Australia in November 1982. VDDH-260 & VDRC-225 were drilled by Emperor Gold Mines in June & July 1997 respectively.
Epithermal gold prospects with an intermediate level of exploration (100% owned)
Previous mapping, soil auger sampling and trenching at Sabeto has defined a substantial north-east trending zone of gold mineralisation. Exploration completed by Geopacific on the tenement includes 5 diamond drillholes, trenching, shallow IP geophysics, regional coarsely spaced magnetics, detailed geological mapping and surface geochemical sampling. Results from these programs highlight the potential for alkalic porphyry-related gold-copper mineralisation within the project. Previous drilling intersected a 32-metre zone of weak porphyry-related gold-copper mineralisation grading 0.24g/t Au and 0.12% Cu (October 2012).