Northwire Canada EditionThursday, November 5, 2026
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Technical Study Neutral

Selkirk Copper Announces Filing of NI 43-101 Preliminary Economic Assessment Technical Report for the Minto Project

Selkirk confirms prior PEA economics and restart plan remain unchanged following the filing of its technical report.

By The Northwire Desk — AI Analysis Nov 05, 2026 · 17:10 SCMI · 0.9 Selkirk Copper Mines Inc.
Executive Summary

Selkirk Copper Mines Inc. has filed an independent NI 43-101 technical report supporting the Preliminary Economic Assessment (PEA) for its 100%-owned Minto Project in Yukon, Canada. The report, prepared by Hatch Ltd. with an effective date of September 21, 2026, confirms there are no material differences between the technical report and the PEA results previously disclosed in a news release dated September 22, 2026.

The Minto Project is a former copper-gold-silver mine. Selkirk Copper controls 26,850 hectares of mineral claims and significant existing infrastructure, including a 4,100 tonne per day processing plant, a 400-person camp, and water treatment facilities. The company is conducting exploration drilling and redevelopment planning in partnership with the Selkirk First Nation.

Material Impact

Selkirk Copper Mines Inc. (SCMI) filed a technical report on November 2026 to validate the Preliminary Economic Assessment (PEA) originally released on September 22, 2026. The filing serves as a standard regulatory step to finalize the PEA and does not introduce new financial metrics, updated resource estimates, or revised mine plans.

The PEA outlines a 13-year mine life at a throughput of 4,100 tonnes per day (tpd). The assessment projects an initial capital expenditure (Capex) of C$186 million. At a copper price of $5.00/lb, the after-tax net present value (NPV) is C$494 million, which more than doubles to C$1.023 billion at $6.50/lb.

The confirmation of no material differences in the technical report aligns with the company's historical progression, which included Phase 1 drilling, an updated mineral resource estimate (MRE) in July, the PEA in September, and the technical report filing in November. As the market had already priced in the September PEA results, the impact on the stock price is neutral.

SCMI · Price
Company Overview

Selkirk Copper Mines Inc. (TSXV: SCMI) is a development-stage mining company focused on restarting the former Minto copper-gold-silver mine in the Yukon, Canada. The company acquired the idled asset from the Selkirk First Nation in October 2025.

The Minto Project sits on 26,850 hectares of mineral claims and benefits from existing infrastructure valued at over C$330 million, including a 4,100 tpd processing plant, 400-person camp, power connections, and water treatment facilities. The restart strategy leverages this infrastructure to minimize initial capital expenditure and accelerate the path to production, targeting a 13-year mine life with a restart decision expected in mid-2027 and first concentrate production by H2 2028.

Read the original news release →

More from Selkirk Copper Mines Inc.

Oct 21, 2026 · 08:32

Selkirk released a paid recap of previously published assay results, providing no new geological data or updated resource estimates for its projects.

Technical Study Oct 15, 2026 · 07:01

Selkirk’s infill drilling at the Selkirk deposit returned a best grade-width hole of 12.4 g/t over 1.5 metres within the known resource.

Drill Results Sep 29, 2026 · 07:01

Selkirk’s infill drilling at the Selkirk deposit revealed a high-grade 99th-percentile hole, confirming robust mineralisation without changing total tonnes.

Drill Results Sep 22, 2026 · 07:01

Selkirk’s preliminary economic assessment delivers a C$494 million net present value at planning prices for its project.

Resource Estimate Sep 14, 2026 · 23:36

Selkirk’s NI 43-101 filing confirms the July MRE with no material changes to the Minto resource.

Resource Estimate Aug 25, 2026 · 08:30

Selkirk reports 280% resource growth at Minto and advances an Alaska port study to support project development.

Drill Results