Bunker Hill Mining Reports High-Grade Silver and Lead in Cate-8 Vein Drilling

Bunker Hill Mining has discovered more high-grade silver in the Cate-8 Vein at its underground mine, with individual drill samples hitting 16.3 ounces of silver per ton alongside 41.1% lead and 7.41% zinc, according to Owen Sound Sun Times. A 46-foot stretch of continuous mineralization returned 8.19% lead, 2.49 ounces of silver per ton, and 1.18% zinc — equivalent to 4.83 ounces of silver per ton.
The results confirm that the Cate-8 zone contains substantial, continuous deposits of silver-polymetallic ore. Stratford Beacon Herald reports the company's current target model includes 522,000 tons grading 5.34 ounces of silver equivalent per ton, totaling 2.79 million ounces of silver equivalent. Bunker Hill also drew an additional US$2 million from its standby credit facility with Teck Metals.
Bunker Hill completed a new underground drift on the Cate-8 zone and conducted channel sampling along 46 continuous feet of mineralization. National Post notes the company has drilled 11,700 feet from the 8 Level drill station since April 18, 2026. The consistent assay grades across multiple samples suggest the ore body extends well beyond the initial discovery point.
The Cate-8 mineralization combines silver with significant lead and zinc content, boosting overall silver equivalent values. Montreal Gazette reports the 14.03 million tons of ore at 166 grams per ton of silver equivalent represents a substantial resource base for future extraction. This metric allows miners to value all three metals as a combined product.
Bunker Hill drew US$2 million more from Teck Metals' standby credit facility to fund ongoing exploration work. Edmonton Sun highlights that the additional capital supports the company's objective of completing an initial resource estimate for the Cate zone. This financing move signals management confidence in the deposit's commercial potential.
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