Era Resources has received encouraging results from the 2016 infill and proximal drilling campaign at the Yandera Copper Project in the highlands of Papua New Guinea. The drilling may result in the addition of extra resources to the current estimate.
A total of 25 diamond drill holes comprising 5096 metres of drilling have been completed at Yandera during the program and two drill rigs continue to operate.
The program is designed to infill and expand the Yandera resource, testing opportunities both within and around the margin of the known resource where discovery of additional mineralisation will significantly impact the current resource estimate and positively affect potential open pit designs.
Drilling to date has focused on infill in the Dengru, South Dimbi and Gremi areas, as well as testing some proximal areas, including targets east of South Dimbi, east of Omora and within the Benbenubu areas.
With the remaining approximately 3000 metres of drilling in the current program, the company plans to complete tests of remaining target areas in the Dimbi, Gamagu and Imbruminda areas, as well as complete tests at the Benbenubu and East Gremi areas.
At Dengru four holes for 925.7 metres have been completed. Drilling has intersected copper mineralisation in material previously classified as waste within preliminary open pit models based on the 2015 resource estimate. These results fill gaps in drilling data and are expected to increase the resource estimate locally and convert some in-pit waste to resource.
Two holes also intersected some copper mineralisation below the current open pit shell, which may have the net effect of adding further resource and potentially allowing future pit designs to be deepened.
A total of six holes for approximately 1210 metres have been completed at Omora. Drilling has also intersected copper mineralisation in material that was categorized as waste in the 2015 estimate. Mineralisation intersected in one hole is proximal to the margin of the modelled open pit and results may allow the boundary of the open pit to be expanded.
Eight holes for approximately 1646 metres have been completed at South Dimbi. Drilling intersected additional copper mineralisation both within and beneath the open pit shells. Results from three holes are expected to allow conversion of some material previously categorised as waste to additional resource.
Overall, these results are expected to expand the resource estimate and improve the waste to resource ratio in portions of the modelled open pit shells. An updated resource estimate for the Yandera project incorporating all the results from the drilling campaign is planned to be completed by the end of 2016.