GEOPACIFIC Resources continues to progress a definitive feasibility study for the Woodlark Gold Project on Woodlark Island. Ongoing metallurgical and infill drilling at the project is returning encouraging results and continues to confirm wide zones of gold mineralisation.
The metallurgical drilling results will be used for metallurgical variability studies while the company is confident that the infill drilling will upgrade resources into reserves at the Busai and Kulumadau deposits, thereby boosting the project’s reserve base.
A recent round of metallurgical drilling returned best results of 7 metres from 21 metres @ 4.48 g/t, 42 metres from 31 metres @ 2.58 g/t and 12 metres from 78 metres @ 2.34 g/t in one hole; and 7.9 metres from 39.6 metres @ 9.21 g/t and 17.0 metres from 114 metres @ 2.27 g/t in another.
These results continue to highlight the wide zones of gold mineralisation that have previously been identified while test work is being carried out with the aim of confirming that historic test work is representative of the mineralisation.
The test work program has been designed by Lycopodium Engineering and is being supervised from their Brisbane office. ALS laboratories has been engaged to undertake the test work in Australia.
Approximately 5 tonnes of PQ size (85mm) has been dispatched for test work at ALS laboratories. The tests are expected to take up to four months and be finalised by early 2018.
Geopacific said that with the metallurgical drilling complete, development drilling has resumed at the Kulumadau deposit, testing extensions of the northern extents of the mineralisation.
Geopacific’s aim is to present Woodlark as a robust and attractive project. Many of Woodlark’s technical aspects have been investigated in detail and Geopacific’s work is now centred on assessing optimisation opportunities which are available through the likes of modular construction techniques; refining the processing plant flowsheet; and technology.
Considerable effort is being applied to optimising mining. Areas of interest include optimal mine design, refining grade scheduling to shorten the capital payback period and equipment selection.
A takeover by Geopacific of Kula Gold, its partner in the Woodlark project, has been successful and by late September, Geopacific controlled more than 79% of Kula.