The ongoing drill program at Robust Resources’ Lakuwahi Project on Romang Island, Indonesia, has returned further high-grade gold-silver intersections from recently received final assays of diamond drill core.
Results have been received from two holes from the key Batu Mas Prospect. Both holes encountered precious metal mineralization of potentially economic grades and widths, significantly extending the identified zones of near-surface, high-grade gold-silver mineralization.
The company believes that the results confirm the potential for the Batu Mas Prospect to host world-class gold mineralization similar to other major deposits in the region.
The highlights were 57 metres @ 3.83 grams/tonne gold equivalent from surface, including 32 metres @ 5.76 grams/tonne gold equivalent and 20 metres @ 7.40 grams/tonne gold equivalent; 58 metres @ 2.71 grams/tonne gold equivalent from surface, including 13.7 metres @ 4.47 grams/tonne gold equivalent and 6.3 metres @ 1.69% copper.
These are the second and third strongest zones of precious metal mineralization encountered in drilling on Romang to date
The Batu Mas mineralization is still open in all directions, while higher-grade zones are open in at least three directions.
The Batu Mas drill program is ongoing and currently there are a further nine diamond drill holes at the laboratory for assaying.
The 150 line-km IP resistivity survey across the Lakuwahi Project is progressing steadily with about 20% of the planned area completed. This work is expected to take about 3 months and results will be available as the survey proceeds and will therefore be a useful aid in the early targeting of previously undrilled prospects.
Robust’s managing director Gary Lewis says, “These latest results are extremely encouraging. They demonstrate the consistency and continuity of the high-grade gold and silver mineralization across the Batu Mas Prospect, as Robust moves towards delineating a maiden resource.”

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