Trailbreaker Resources Ltd. (TBK.V) has announced the completion of its maiden drill program at the Highlands Zone and the mobilization of the drill to the Swan Zone at its 100%-owned, 300 km² Atsutla Gold Project in northwestern British Columbia, Canada. The two zones, located 26 km apart, are hosted in different geological units: the Highlands Zone in the Jurassic Christmas Creek batholith and the Swan Zone in the Cretaceous Glundebery batholith.
While the Highlands Zone drilling targeted high-grade, vein-hosted gold, silver, and copper showings, the Swan Zone drilling will focus on a copper-gold-silver porphyry target. The completed diamond drill program at the Highlands Zone consisted of four holes totaling 883.40 meters, testing a strike length of 500 meters and a vertical extent of 412 meters. For details on the Highlands Zone drill target, see the June 29, 2026 news release.
The Swan Zone is defined by a 1.5 km x 1.5 km multi-element soil geochemical anomaly (Au-Cu-Ag-As-Mo-Sb-Bi), with rock grab samples grading up to 11.7 g/t Au, 212 g/t Ag, and 0.81% Cu. This anomaly is coincident with a 2.1 km x 1.4 km donut-shaped chargeability high feature from a 2024 induced polarization survey, as well as a zone of elevated potassium marked by a magnetic low signature from 2024 airborne magnetic and radiometric surveys. Although limited historic drilling has occurred in the adjacent valley, the Swan Zone itself has never been drilled.
The diamond drill program will target surface geochemical and geophysical anomalies, testing an estimated strike length of 1,000 meters to a vertical depth exceeding 400 meters. The company anticipates this preliminary program will improve understanding of mineralization controls and the overall deposit model at the Swan Zone, supporting the design of future, more targeted drill campaigns.
Daithi Mac Gearailt, CEO of Trailbreaker, commented, "The Swan Zone continues to be one of the most compelling targets in Trailbreaker’s portfolio. Over the past five years we have developed this prospect from a new discovery and have added layers of data through systematic exploration. Detailed geological mapping, combined with soil geochemical, induced polarization and airborne magnetic surveying have led us to this current stage."
In September 2026, Trailbreaker plans to drill several Cu-Au porphyry targets at the Coho property, located 30 km northwest of the Mt. Milligan mine in central BC. For further details, see the May 25, 2026 news release.
The Atsutla Gold Project is centered over the regional-scale Teslin-Thibert fault system, which marks the contact between the Quesnel and Cache Creek terranes. Since discovery in 2020, Trailbreaker has outlined five significant zones of gold mineralization across a span of 26 kilometers: Highlands, Christmas Creek, Snook, Willie Jack, and Swan zones.
