Fireweed expands mineralized zone at Yukon project
Fireweed Metals Corp., [FWZ-TSXV, FWEDF-OTCQB, 20F-FSE] has announced results from two completed holes in the ongoing Tom South step-out drilling program which is targeting laminated and stratiform zinc-lead-silver mineralization at its Macpass Project in the Canadian Yukon.
The Macmillan Pass zinc-lead-silver project is Fireweed’s flagship asset. It is located in the eastern edge of the Yukon, 350 kilometres northeast of Whitehorse. Macmillan Pass is thought to be one of the world’s leading undeveloped zinc projects.
In early September, 2024, the company released an updated resource estimate for the Tom and Jason deposits, including inaugural estimates for the Boundary and End zone deposits.
According to a NI 43-101 technical report, the Macmillan Pass project hosts an indicated resource 56 million tonnes at 7.27% zinc equivalent (ZnEq) (5.49% zinc, 1.58% lead and 24.2 g/t silver. On top of that is an inferred resource of 48.49 million tonnes at 7.48% ZnEq ( 5.15% zinc, 2.08% lead, and 25.3 g/t silver).
In its latest press release, Fireweed said Tom South drilling highlights include hole TS25-003, a major step-out, which extended the known extent of the mineralized zone 300 metres in the down dip direction and intersected 16 metres true width of 4.17% zinc equivalent (ZnEq), including 1.1 metre true width of 8.04% ZnEq, and 1.6 metres true width of 16.0% ZnEq. Additional highlights included 3.7 metres true width of 3.82% ZnEq, including 1.94 metres true width of 4.96% ZnEq.
“These are comprehensive results from this hole, which was temporarily paused in mineralization at the end of the 2025 drill season due to seasonal constraints, including the results reported in January 15, 2026,’’ the company said in a press release.
Hole TS26-001, a 45-metre step-out, intersected 30 metres true width of 8.09% ZnEq, including 20.8 metres true width of 10.44% ZnEq.
The reported intersections are outside of the spatial extent of the current Macpass mineral resource. Together with previous Tom South drilling, these intersections define an edge to the search space and vectors that point eastward towards a potential feeder zone and westward potential laminated and stratiform mineralization. Drilling is ongoing in the east.
“Tom South continues to deliver,’’ said Fireweed CEO Ian Gibbs. “We have successfully hit on major step-out holes at Tom South which have meaningfully expanded the down-dip and lateral extent of the mineralized zone and point towards an untested search space for additional high-grade massive sulphide mineralization,’’ he said. “After waiting all winter to resume drilling at hole TS25-003, we confirmed continuity approximately 300 metres down dip of the very high-grade mineralization in TS25-001D1. The high-grade laminated sulphides in TS26-001 demonstrate continued discovery of mineralization outside of the extent of the current mineral resource at Tom South and provides a vector to the east, towards a potential feeder zone that could yield even higher grades.’’
Fireweed shares eased lower on the news, falling 2.05% or $0.07 to $3.35. The shares trade in a 52-week range of $5.15 and $2.30.
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