Aim-listed Ferrum Crescent on Tuesday said it was hoping to include silver to its lead-zinc operation in Spain. In a resource update, the Australian explorer said data location checks, data collection and analytical review procedures had been completed. It said silver grades had been historically recorded but to date have not been verified through normal quality assurance/quality control procedures. "Accordingly, the company, in association with (consultant) AMS, is now undertaking further data ...Den vollständigen Artikel lesen ...