Great Southern Mining Limited Launches A$15M-Backed Diamond Drilling at Edinburgh Park Project to Target Major Gold-Copper-Silver Deposits in Northern Queensland

Monday, July 28, 2025
at
8:25 am
Article header image

Great Southern Mining Limited has commenced diamond drilling at its Edinburgh Park Project in northern Queensland, targeting promising gold-copper-silver deposits with advanced geophysical surveys. Backed by joint venture funding from Gold Fields Ltd, the exploration program could pave the way for significant discoveries.

Great Southern Mining Limited has initiated a diamond drilling program at its Edinburgh Park Project in northern Queensland. The program is focused on testing large-scale induced polarization (IP) anomalies that could host intrusive-related and epithermal gold deposits. The initial phase involves three planned diamond drill holes totaling around 2,200 meters at the Leichhardt Creek area, where technical indicators such as chargeability and resistivity anomalies have been identified. The first drill hole aims to reach up to 1,000 meters to target a shallow chargeability anomaly that may indicate a sulphide halo or an intrusion-related system. The subsequent holes are set to follow identified geological structures, including a major feeder prospect. Following the Leichhardt Creek drilling, operations will shift to the Mt Dillon prospect. Here, gradient array IP surveys have delineated a large-scale chargeability anomaly beneath the topographic high, with IP responses suggesting a zone rich in sulphide mineralization over an intrusive body. Notably, one cross-section reveals a resistivity anomaly below the chargeability target, potentially linked to pervasive hydrothermal alteration within a porphyry system. These technical indicators are supported by geophysical data and mapping, underpinning the prospect’s potential to host significant gold-copper-silver mineral systems. The project area, which spans approximately 1,750 square kilometers and is located near established mining districts, has been the subject of extensive geophysical surveys and mapping over the past eight years by Great Southern Mining Limited, in addition to roughly 20 months of work by partner Gold Fields. The ambitious exploration plan is further reinforced by contemporary IP surveys at other targets, such as the Edinburgh Castle and Molongle prospects. Early soil geochemistry and rock chip assays, which have returned elevated gold and base metal grades, add to the promising technical profile of the region. This drilling program is being undertaken in conjunction with an agreement wherein Gold Fields has an option to invest up to A$15 million to secure a 75% interest in the Edinburgh Park Project. Such partnership highlights the confidence of a major industry player in the project’s potential and integrates advanced geophysical techniques—including pole-dipole IP responses measured with state-of-the-art equipment—to precisely target mineralization zones. Market sentiment following the announcement suggests a mixed but cautiously optimistic outlook. On the bullish side, the scale of the IP anomalies, the promising geological indicators, and the strategic partnership with Gold Fields are viewed as positive catalysts for the project’s future value, particularly for traders looking for exploration projects with significant upside potential. Conversely, the technical complexity inherent in exploring deep mineral systems and the inherent risks of early-stage drilling results add an element of caution. Overall, investors must weigh the technical merits against exploration risks as Great Southern Mining Limited embarks on a potentially transformative phase at Edinburgh Park.

Recent Articles