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Highlights
- Surefire Resources has commenced a ground EM survey at the Copper Hill Project to investigate high-priority copper sulphide targets.
- The survey will be conducted by Southern Geoscience consultants using state-of-the-art high-sensitivity equipment with the aim to detect deep and weakly conductive targets.
- The survey aims to identify massive or disseminated sulphides and guide future drilling at Copper Hill.
- Targets defined from prior geochemical and petrographic analysis confirmed VMS potential.
Surefire Resources NL (ASX:SRN) has commenced a Moving Loop Ground Electromagnetic (MLEM) geophysical survey at its 100%-owned Copper Hill Project in the Murchison region of Western Australia.
The survey will cover key geochemical anomalies indicative of Volcanogenic Massive Sulphide (VMS) mineralisation and aims to detect both massive or disseminated sulphides.
The results from the MLEM survey will guide further drilling program focused on identifying copper sulphide mineralisation.
The MLEM survey follows encouraging results from earlier geochemical sampling and scout drilling, which confirmed the presence of copper sulphide in a VMS setting. Petrographic analysis supported these findings, identifying blebby chalcopyrite (CuFeS₂) and anomalous concentrations of copper, zinc, cadmium, antimony, niobium, and molybdenum, elements typically associated with VMS systems.
Commenting on the development, Surefire Managing Director Paul Burton, said:
“The commencement of this EM survey marks an important step in our systematic exploration strategy at Copper Hill. Our team has identified a number of compelling geochemical targets exhibiting sulphides at shallow depths that warrant geophysical follow-up. We are excited by the potential to uncover a significant copper-bearing system and look forward to updating shareholders as results become available.”
Survey Design and Execution
The survey will be conducted by Southern Geoscience Consultants over a two-week period by employing state-of-the-art high-sensitivity equipment capable of detecting deep and weakly conductive anomalies.
The plan includes approximately 125 survey stations along nine survey lines, using 200m TX loops and 100m spaced stations.
The primary goal of the survey is to delineate conductive zones that may represent copper-rich sulphide systems. These targets will be prioritised for future drill testing.
About Copper Hill Project
The Copper Hill Project is located just 3km from Surefire’s Yidby Gold Project, where a Reverse Circulation (RC) drilling campaign is currently in progress.
Previous soil sampling across the Copper Hill area revealed highly anomalous copper and zinc results. Historical drilling logs also recorded copper sulphides including native copper and copper sulphides. These results further highlight the area's potential to host a VMS-style deposit.
SRN shares traded at AUD 0.002 per share on 23 June 2025.
