TSX: ORV OTCQX: ORVMF TORONTO, Oct. 2, 2026 /PRNewswire/ -- Orvana Minerals Corp. (TSX: ORV) (OTCQX: ORVMF) (the "Company" or "Orvana") announces that its Bolivian subsidiary, Empresa Minera Paitití, S.A. ("EMIPA"), has entered into an amendment (the "Amendment") to its US$25 million...