Vancouver, British Columbia--(Newsfile Corp. - October 22, 2025) - Blackrock Silver Corp. (TSXV: BRC) (the "Company" or "Blackrock") is pleased to announce that it has filed on SEDAR+ an independent technical report titled "Mineral Resource Estimate Update, Tonopah West Silver-Gold Project" effective August 25, 2025, and dated October 22, 2025 (the "Technical Report") for the Company's 100%-owned Tonopah West silver-gold project ("Tonopah West"). The Technical Report was prepared in accordance with the Can ...