Australian Solomons Gold (SGA-T), looking to expand the resource at its Gold Ridge gold project on Guadalcanal in the Solomon Islands, has pulled a number of long intersections from drill holes in the Charivunga Gorge zone.
The Charivunga Gorge lies between the Kupers and Namachamata pits, previously worked by Ross Mining during production between 1998 and 2000.
Among the better intersections was a 38-metre interval that ran 4.8 grams gold per tonne, one of six significant ones in hole 154. A shallower intersection in the same hole ran 4.7 grams per tonne over 9 metres, and two intersections deeper in the hole ran 1.9 grams per tonne over 23 metres and 3.1 grams over 22 metres. The hole tested the area about halfway between the two pits.
Two of three other holes also intersected significant gold, with a 5-metre interval in hole 153 running 1.2 grams gold per tonne 200 metres south of Namachamata and 200 metres west of Kupers. In hole 151, drilled from the same setup east toward Kupers, a 17-metre interval averaged 1.1 grams gold per tonne, followed further down hole by an 11-metre interval averaging 2.4 grams and a 14-metre interval averaging 2.1 grams per tonne.
Magnetic and induced-polarization surveys are planned for the area, and drilling on the Charivunga zone continues.
The project currently has a reserve of 19.6 million tonnes at an average grade of 1.8 grams gold per tonne, part of a measured and indicated resource of 28 million tonnes grading 1.7 grams gold per tonne. Another 8 million tonnes grading 1.8 grams is in inferred resources. A feasibility study on the project in April put the capital cost of refurbishing the mine’s existing mill, renewing the mining fleet, and bringing the mine back into production at US$72 million.
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