First Mining Extends Miroir Gold Target, Signals Resource Expansion Potential

Event summary

  • First Mining Gold Corp. reported drilling results extending mineralization at the Miroir target to a vertical depth of 250m, 150m deeper than previously drilled.
  • Drill hole DUP25-090 returned 4.08 g/t Au over 12.0 m, including a high-grade interval of 11.20 g/t Au over 1.0 m.
  • The company completed 16,577 meters of drilling at the Duparquet Gold Project in 2025.
  • First Mining has commenced a comprehensive environmental baseline data collection program at the Duparquet Project, supported by Stantec.

The big picture

First Mining's focus on expanding the Miroir target highlights a broader trend in the gold mining sector towards identifying and developing near-surface, high-grade deposits to reduce capital expenditure and shorten timelines. The company's commitment to environmental baseline data collection underscores the increasing importance of sustainable mining practices and stakeholder engagement in securing project approvals. The Duparquet Project represents a significant opportunity for First Mining to build a substantial gold production base in a politically stable jurisdiction.

What we're watching

Resource Definition
The success of the 2026 drilling program will be critical in defining the extent of the Miroir resource and justifying further investment.
Permitting Risk
The progress of the environmental baseline program and subsequent regulatory approvals will be a key determinant of the project's timeline and ultimate viability.
Community Relations
Maintaining a positive relationship with the City of Duparquet and local First Nation communities will be essential for securing long-term operational support.

Related topics

Mining