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The intercept also features high-grade subintervals including 16.35% zinc over 23.31m.
A lead and silver-rich section grading 9.18% zinc, 4.45% lead and 71.6g/t silver over 11.85m, and local high-grade sections including 47.7% zinc over 1.01m, were other highlights.
CEO Brandon Macdonald said the Boundary Zone results along with the recent drilling success at Tom North and End Zone had the potential to expand the current resource base, which already ranked among the largest undeveloped zinc resources in the world. These discoveries could also improve PEA economics.
"These results confirm the large size and upside potential of Boundary Zone. Hole NB19-001 is the best ever hole drilled in this zone and clearly demonstrates that there may be potential beyond the past wide, but lower grade, intersections drilled historically, as impressive as they were," Macdonald said.
Assays from an additional hole at Boundary Zone are pending.
Fireweed shares (TSXV:FWZ) gained C4c or 8.3% to 52c on Wednesday, giving it a market value of $19 million.