THE newest Woodlark Island gold explorer, Geopacific Resources Ltd, is looking to fast track follow-up drilling of an area that returned newly discovered high grade intersects.

Geopacific recently revealed that newly completed assay results froman historic, but untested geotechnical drillhole at the Busai deposit. The assays results have now identified wide sections of continuous-grade gold mineralisation, including an intercept of 11 metres @ 6.56 g/t gold from 71 metres.

Geopacific managing director Ron Heeks said the diamond drillhole was designed to test the strength of the proposed pit wall in 2008 and was consequently drilled oblique to the normal drilling direction.

Geopacific re-logged the core and identified the potential for mineralisation as part of its review process.

Results of diamond drillhole 10WBSD004 returned the following intercepts:

  • 11m @ 1.84 g/t Au from 5m
  • 23m @ 1.39 g/t Au from 24m
  • 26m @ 3.17 g/t Au from 70m, incl. 11m @ 6.56 g/t Au from 71m

“These new results from the historic geotechnical hole show that there is excellent potential for mineralisation below and adjacent to the current pits to be identified and added to the overall Reserve inventory at Woodlark. These results continue to validate our strategy to identify additional, significant gold mineralisation and at nearly no cost to Geopacific. Drilling is now planned in this area,” Mr Heeks said.

He said the drillhole is notable not only for the strong gold values intersected, but also that it is the only hole drilled towards the south in the area, as opposed to neighbouring holes drilled east-west.

A reassessment of possible east-west-oriented mineralised structures at the Vulcan zone, which may have gone unrecognised in earlier drilling, is underway with follow-up drilling planned.

The hole was amongst a number of geotechnical and metallurgical holes drilled at Woodlark as part of the original Definitive Feasibility Study prepared in 2012. Many of these were not assayed and Geopacific has sent all holes which were not previously sampled to be analysed.

Geopacific’s current development drilling is now targeting extending this and similar zones.

Holes that are designed to test the extent of this new mineralisation have been added to the programme.

He said the drillhole is notable not only for the strong gold values intersected, but also that it is the only hole drilled towards the south in the area, as opposed to neighbouring holes drilled east-west.

A reassessment of possible east-west-oriented mineralised structures at the Vulcan zone, which may have gone unrecognised in earlier drilling, is underway with follow-up drilling planned.

Geopacific said a secondary benefit of locating a wide intersection of mineralisation in a geotechnical hole is that the alteration associated with the zone is known to be much less competent than the adjacent rocks and this would have produced wall strength results much lower than that of un-mineralised zones usually associated with the wall areas.

The company said the fact that the geotechnical hole was drilled in the mineralised zone may explain the very shallow wall angles that have been used at Busai for the pit designs.

Geopacific will now use this knowledge to reassess the pit wall angles.

The assay results were part of a string of good results from Woodlark with Geopacific reporting in early February that it had discovered visible gold in a hole at the Busai deposit.

In late January the company announced the completion of the agreements for the Earn-in agreement with Kula Gold Limited to acquire up to 80% of the Woodlark Gold Project.