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| Sterling Metals |
First Hole Hits 359m of Near-Surface Cu-Mo-Ag-Au Mineralization
Early Evidence of Large-Scale Porphyry System in Ontario
Sterling Metals Corp. [TSXV: SAG; OTCQB: SAGGF] has drilled a broad zone of bornite-rich copper mineralization at its newly renamed Soo Copper Project in Batchewana Bay, Ontario. The company reported assay results from the first of four diamond drill holes (MJ-25-01), intersecting 359 metres grading 0.36% CuEq, starting just 14.3m from surface. The interval includes a higher-grade section of 0.56% CuEq over 75m.
The hole confirms the presence of a large porphyry Cu-Mo-Ag-Au system, with bornite and chalcopyrite hosted in a sequence of multi-stage porphyry intrusions and a permeable mafic tuff unit, which returned additional intercepts such as 0.56% CuEq over 26.5m at 347m depth.
Key Highlights:
- Continuous copper mineralization from bedrock surface to end of hole at 496m.
- Discovery of extensive bornite-rich potassic zone, open along strike and at depth.
- Multiple porphyry phases and strong potassic alteration support porphyry copper system model.
- Drill targets were generated using 3D IP, resistivity, and historical re-evaluation.
The Soo Copper Project, formerly Copper Road, lies within a 30-kilometre copper corridor historically known for small-scale high-grade production at the Tribag and Copper Corp mines. The project benefits from excellent infrastructure: it's 20 minutes from the TransCanada Highway, four hours from Sudbury, and one hour from a deep-water port and the U.S. border.
CEO Mathew Wilson emphasized the strategic nature of the project:
“This is just one hole, but the scale of this porphyry system and its location make it one of the most compelling bulk-tonnage copper targets in Canada today.”
ScrapInsight Commentary:
Sterling Metals' hit at Soo is a significant development for porphyry exploration in eastern Canada. The bornite-dominant mineralization provides high copper tenor and associated gold credits, critical for project economics. With demand for bulk-tonnage copper deposits in safe jurisdictions rising, Soo may emerge as a major discovery. The project also highlights a broader shift—junior miners are increasingly re-evaluating overlooked districts with modern porphyry models and geophysical tools. Results from the remaining drill holes will be closely watched.
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