Infinity Mining Limited (ASX: IMI) has identified a high-priority Drone Magnetic (mag) target at the Coppermine Project in Western Australia.
The Coppermine Project (P37/9162) is part of Infinity’s Central Goldfields Project which includes eight projects in the Leonora Gold District. The Central Goldfields Projects are highly prospective for Archaean shear-hosted gold systems and Volcanogenic Massive Sulphide (VMS) base-metal deposits.
The Central Goldfields tenements all lie in areas of Archaean greenstone, associated with major fault structures such as the Ursus Fault. A number of significant gold deposits, such as King of the Hills and Kailis lie along strike from the tenements.
The Coppermine Project is located around five km SE of the 4.12 million ounce King of the Hills Gold resource, owned by Red 5 Limited.
Drone Magnetic Survey
A drone magnetic survey was recently flown at four Central Goldfields projects including the Coppermine Project. The survey was completed by Ultramag Geophysics Pty Ltd in May 2022, and data interpretations are ongoing.
A total of 295 line km was flown over four projects at a line spacing of 20 m and flying height of 40 m, along WSW oriented lines, perpendicular to the main NNW structural fabric.
The drone magnetic data over the Coppermine Project (P37/9162) shows a strong elongated magnetic anomaly, approximately 350 m long, under the cover to the south of the historical copper workings which host high-grade copper mineralisation at surface.
The magnetic anomaly lies within a relatively magnetic quiet package of ultramafic and high Mg-basalts and appears to be structurally controlled suggesting it could be associated with buried VMS-style copper mineralisation. The main part of the magnetic anomaly has not been tested by previous drilling.
Rock Chip Sampling
A rock chip sampling program was carried out by Infinity in early 2022 at the Coppermine Project to verify historical rock chip samples anomalous in copper and zinc.
A total of nine rock chip samples were collected. The recent rock chip sample assay results from Coppermine have verified the high-grade polymetallic nature of mineralisation at Coppermine. Assay results were returned up to 20642 ppm Cu (2.06% Cu), 3791 ppm Zn and 0.33 ppm Au plus elevated As, Bi, Co, Mo and Pb.
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