en.Wedoany.com Reported - Three Australian exploration companies—S2 Resources, Lefroy Exploration, and Rincon Resources—are advancing gold and copper projects in Western Australia's Murchison, Goldfields, and Pilbara regions, involving initial drilling, metallurgical testing, and resource expansion planning.
S2 Resources is preparing to commence initial drilling at its Jillewarra joint venture project after receiving key exploration permits from Western Australia's Department of Mines, Industry Regulation and Safety. The new permits cover approximately 35 kilometers of the Karbah shear zone, which the company believes is a continuation of the structure hosting the Big Bell and Dalgaranga gold operations further south. Combined with adjacent exploration license applications, S2 now controls about 60 kilometers of this shear zone. Detailed aeromagnetic surveys have been completed, with results expected in July; environmental approvals for drilling are being submitted in preparation for the air-core program planned next month. Initial activities will include approximately 30,000 meters of air-core drilling along widely spaced lines to gain a preliminary understanding of the area's geology, structure, overburden depth, and gold potential. The concealed extension of the shear zone has not been systematically drilled previously.
Lefroy Exploration's metallurgical testing at the Burns deposit in Western Australia has shown high gold recovery rates. Using conventional cyanide leaching, gold recovery from oxide ore and fresh rock reached 97%, with gravity recovery ranging between 38% and 57%. Recovery rates remained consistent regardless of copper grade. The company will immediately re-block the high-grade resource at Burns to incorporate improved metallurgical understanding, with an updated mineral resource estimate for the high-grade zone expected by the end of the September quarter. Managing Director Graeme Gribbin stated that these results strengthen the project's development potential, supporting the high-grade zone as part of Lefroy's future gold production hub. The Burns deposit is located approximately 70 kilometers southeast of Kalgoorlie.
Rincon Resources has secured a reverse circulation drill rig for its Telfer South project in Western Australia as part of a farm-in and joint venture agreement with Greatland Resources, with drilling scheduled to begin in mid-to-late July, targeting expansion of the Hasties gold-copper discovery. The program will involve up to 2,500 meters of drilling along the 1.1-kilometer-long Hasties trend, which includes the Hasties Main and Hasties South-East deposits, located approximately 10 kilometers south of the Telfer gold-copper mine. The activity aims to extend mineralization at both deposits and test targets generated from 2025 drilling, historical rock chip sampling, Newcrest geological mapping, and the company's 2024 induced polarization survey. Technical Director Michael Griffiths noted that the drilling program has been refined using multiple datasets, with the goal of integrating historical rock chip data and early 1990s Newcrest geological mapping work to expand resources based on the 2025 results at Hasties Main.
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