11:25 AM EST - Vista Gold Corp. : Today announced the positive results of an updated preliminary feasibility study for its Mt Todd gold project in Northern Territory, Australia. The PFS is based on the results of metallurgical optimization test work, a redesign of the fine grinding circuit, construction and ramp-up schedule changes and a comprehensive review of all aspects of the Project, including an independent benchmarking study of key PFS parameters. Vista Gold Corp.
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