Vista Gold begins feasibility study to redesign Mt Todd gold project
NYSE American- and TSX-listed Vista Gold has launched a feasibility study for its Mt Todd gold project in Australia, aiming to increase reserve grades, lower initial capital costs, and optimise production targets.
The study is focused on elevating the reserve grade to 1 g/t of gold and reducing the initial capital expenditure to $400-million. It targets average yearly gold production of between 150 000 oz and 200 000 oz, supported by a throughput of 5.2-million tonnes a year.
The study is expected to be completed by mid-2025.
“After carefully evaluating the potential benefits, we have decided to design a project with a 15 000 t/d throughput rate, nominally 5.2-million tonnes a year. We are targeting a reduction of approximately 60% in initial capital costs from the large-scale project feasibility study published earlier this year, and a significant increase in reserve grade to 1 g/t with a higher ore cut-off grade,” said Vista Gold president and CEO Frederick Earnest.
He emphasised the flexibility of the redesigned project, stating that the new plan would retain optionality for future expansion. “This is a paradigm shift and we believe this will enable us to reach our objective of raising Mt Todd to the top tier of near-term gold development opportunities,” he said.
Vista Gold has engaged GR Engineering Services to handle process area designs, capital and operating cost estimates, and project economic analysis, as well as to author the feasibility study. Mining Plus will provide mine plans, schedules, and reserve estimates, while Tetra Tech and SLR Consulting will continue work on water management, closure, permitting, environmental, and community studies. Tailings management designs and geotechnical services will be provided by Tierra Group International and WSP.
The company is also in the process of securing a contract mining cost estimate from a leading Australian mining contractor to refine project economics.
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