Sandfire America Files Black Butte PFS
Analysis based on 8 articles · First reported Jul 28, 2026 · Last updated Jul 29, 2026
The filing of the PFS is a positive step for Sandfire Resources America, potentially increasing investor confidence in the project's viability. However, as a preliminary study, it does not guarantee economic feasibility, and the market impact is expected to be modest.
Sandfire Resources — Sandfire Resources America announced on July 28, 2026 that it has filed an independent Preliminary Feasibility Study (PFS) for its Black Butte Copper Project in United States — Meagher County, Montana. The PFS, titled 'Sandfire Resources — Sandfire Resources America, Black Butte Copper Project, Preliminary Feasibility Study Update (Johnny Lee and Lowry Deposits) - Technical Report NI 43-101', was prepared by a team of qualified persons including Deepak Malhotra, Berkley Tracy, Shane McLeay, Patrick Williamson, and Tom Parrott from DM Consulting, FTI Consulting, Entech, and INTERA Inc. The study is available on the company's website and on Canadian Securities Administrators+. This filing represents a key milestone in advancing the high-grade underground copper project.
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