Great Boulder said its initial 40,000m Peak Hill drilling target had been completed, with 40,032m of RC and diamond drilling undertaken during the quarter. Drilling was continuing into the December quarter, including programs at Mt Pleasant and Harmony and further work at Five Ways.
The company said it intends to update the Peak Hill resource inventory at the end of the calendar year before progressing into scoping and feasibility studies in preparation for mining at the end of 2027. Peak Hill’s reported mineral resource is 9.4Mt at 1.6g/t gold for 481,000 ounces.
At Side Well, Great Boulder completed 17,648m of drilling during the September quarter, including regional air-core drilling and extensional and infill work at the Mulga Bill–Eaglehawk deposit. The company said Mulga Bill East mineralisation had grown to about 1.5km of strike and remained open north, south and at depth.
Great Boulder reported cash and cash equivalents of $12.292 million at 30 September 2026. It paid $5.808 million for exploration expenditure during the quarter and stated that there were no substantive mining production and development activities.
Source: Download GBR official ASX announcement, 2026-10-29.
Drilling operations photograph from Great Boulder Resources' quarterly activities report dated 29 October 2026.