The first assay results from the Batu Hitam North prospect at Robust Resources’ Lakuwahi project on Romang Island have revealed significant precious and base metals mineralization. The results have extended gold-silver and polymetallic sulphide mineralization at the project.
All eight drillholes intersected potentially economic mineralization. Two holes encountered broad zones of polymetallic mineralization containing high grades of copper, including an intercept of 3 metres 2 4.03% copper from 65 metres.
One hole was terminated for technical reasons while still in mineralization at a depth of 213 metres. The bottom 157 metres of this hole averaged 1.01% copper equivalent and it also has a thick enriched gold-silver cap grading 1.05 grams/tonne gold equivalent over 61 metres from 8 metres below surface.
The results of the eight holes indicate that the Batu Mas North structure is well mineralized in both precious and base metals. Much more drilling is needed to fully define this zone and these early results indicate that the structural nexus defined by the coalescence of the Batu Mas North and Batu Mas proper trends may well be a prime target for deep polymetallic breccia mineralization.
Robust’s managing director Gary Lewis says, “These results continue the trend of consistent precious and base metals mineralization throughout the exploration drilling with the Lakuwahi project area of Romang Island. Batu Mas was a new target and the fact that all holes returned strong assay results is further confirmation of the increasing magnitude of the known area of mineralization on Romang.”