en.Wedoany.com Reported - Renascor Resources (ASX:RNU) has identified a more extensive copper mineralization system at the Flat Hill area after re-examining historical drilling data from the project area, which connects multiple historical prospects in South Australia.
Historical exploration at Flat Hill has identified copper mineralization at three prospects: Breaden Hill, Boorloo, and Breaden Hill South. Renascor Resources conducted a detailed review and compilation of historical exploration data, revealing that Flat Hill has the potential to be a larger-scale copper system.
Renascor Resources Managing Director David Christensen stated that the review indicates copper mineralization is widespread across the Flat Hill area, not confined to a single prospect or occurrence. He believes the scale and distribution of existing occurrences support the existence of a larger mineralization system that may extend beyond the currently identified prospects. Christensen noted that many known occurrences have only been partially tested, and their exploration was conducted before modern geophysical and geochemical techniques were available. Through planned re-analysis programs, geophysical surveys, and follow-up exploration, the company aims to leverage modern exploration methods to better understand mineralization controls, thereby identifying a series of new drilling targets across the entire project area.
Historical exploration by companies such as Utah Development Corporation, Noranda Australia, and MIM Exploration has identified numerous copper intercepts. The scale and distribution of mineralization are prompting Renascor to reassess the geological picture of the area using modern exploration techniques.
Significant intercepts within a 3-kilometer interval include: at the Breaden Hill prospect, hole WP018 returned 1.57% copper over 18 meters from surface, including 2.5% over 6 meters from 2 meters; hole A3 returned 1.94% over approximately 16.5 meters from 2 meters; hole B3 returned 1.84% over approximately 10 meters from 0.5 meters, including 5.2% over 1.8 meters. At the Boorloo prospect, hole WP015 returned 0.57% copper over 134 meters from 26 meters, including 1.11% over 28 meters from 128 meters; hole WP029 returned 1.30% over 10 meters from 34 meters, including 2.8% copper over 2 meters from 36 meters. At the Breaden Hill South prospect, the most significant intercept is hole MWRC-9, which returned 0.99% copper over 9 meters from 39 meters.
The Flat Hill project is located within the Marree project in the Adelaide Fold Belt prospect.
Renascor plans to conduct a comprehensive inspection of historical drill holes and a multi-element re-analysis program. Near-term next steps also include a high-resolution VTEM geophysical survey at Flat Hill to refine exploration targets for drill testing. Land access negotiations are progressing well, and planning for field exploration activities is underway, with fieldwork expected to commence immediately upon finalization of agreements. Meanwhile, other exploration work within Renascor's South Australian portfolio is also advancing, including uranium exploration planning at Mulgaria, target studies at Wooltana, and follow-up assessment of rare earth elements at Tumby Bay.
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