Daily Mining Update (June 21, 2026) — Key permitting, development, and corporate updates from across the mining sector over the past couple of days.
Red Chris (BC, Canada): block cave transition receives major authorizations
Imperial Metals reported that British Columbia granted key authorizations to support the transition of the Red Chris mine from open-pit operations to a block cave mine, including an amended Environmental Assessment Certificate (via a consent-based framework with the Tahltan Nation) and an amended Mines Act authorization.
- Imperial said the approvals permit an extension of mine life into the mid-2040s, and noted Newmont is the operator of the joint venture (70% Newmont / 30% Imperial).
- Imperial also stated the joint venture expects to advance toward a final investment decision later this year.
Imperial Metals (via GlobeNewswire on Barchart)
Chile copper: Capstone submits Mantos Blancos Phase II to environmental review
Capstone Copper announced it submitted the Mantos Blancos Phase II Project to Chile’s Environmental Impact Assessment (EIA) process as part of the next phase of growth at the Mantos Blancos mine in Antofagasta.
- The company said Phase II contemplates increasing sulphide concentrator throughput to at least 27,000 tonnes per day from the current design capacity of 20,000 tonnes per day.
- Capstone expects to release a pre-feasibility study in Q3 2026 and stated expanded production is expected to begin between 2030 and 2031 after approvals and roughly one year of construction.
Rare earths (Quebec): Mont Royal files NI 43-101 PEA technical report for Ashram
Mont Royal Resources said it filed an NI 43-101 technical report for the preliminary economic assessment (PEA) at its Ashram rare earth and fluorspar project in Nunavik, Quebec (effective date: May 29, 2026).
- The company noted the technical report supports its June 9, 2026 news release announcing PEA results, and stated the report is available on SEDAR+ and on the company’s website.
Nickel/copper: Magna Mining to graduate from TSXV to TSX
Magna Mining announced it will graduate from the TSX Venture Exchange to the Toronto Stock Exchange, with common shares expected to begin trading on the TSX at market open on June 23, 2026 under the symbol “NICU.”
- Magna said it will be delisted from the TSXV when TSX trading begins, and that shareholders do not need to exchange certificates or take other action given no change to the symbol or CUSIP.
- The company also reported results from its annual and special meeting, including the election of directors and approval of other matters described in its circular.
This article is for informational purposes only and is not financial advice.
