Projects
Mt Todd
Northern Territory, Australia
Vista's 100% owned Mt Todd gold project1 is located in Northern Territory, Australia, approximately 56 kilometers by road northwest of Katherine and approximately 250 kilometers southeast of Darwin.

Mt Todd contains more than 7.4 million ounces gold (measured and indicated categories) with significant exploration and district expansion potential across the project's more than 140,227 hectares of exploration licenses and mineral leases.

Mt Todd is a "brownfield development" project with significant existing infrastructure including paved access from the major transportation corridor, a natural gas pipeline to site for future power generation, medium-tension power lines for present power needs, a fresh water reservoir, water treatment facility, and readily available labor and technical personnel.

Since acquiring the project in 2006, Vista has drilled nearly 50,000 meters, conducted extensive metallurgical and technical programs resulting in a simplified flow sheet, and completed a positive preliminary feasibility study (PFS) in May 2013 with proven and probable reserves of 5.9 million ounces. The PFS evaluated two separate and distinct development scenarios. The larger base case included a 50,000 tpd process plant with the ultimate pit designed using a 0.40 g Au/tonne cut-off grade and a gold price of $1360 per ounce. The smaller and more conservative alternate case included a 33,000 tpd process plant with the ultimate pit designed using a 0.45 g Au/tonne cut-off grade and a gold price of US$925 per ounce. Project economics were evaluated using the then prevailing gold price of US$1450 per ounce with a US$/AUS$ exchange rate of parity. Sensitivity analysis of project economics at various gold prices and foreign exchange rates is found in the NI 43-10 technical report. A copy of the NI 43-10 technical report is available by following the "Technical Reports" link on this page.

With the successful completion of the Environmental Impact Statement (EIS) approval process, we are now able to move forward with the acquisition of the final key project authorizations. The EIS contemplates the development of the larger base case scenario and as such the approval extends to the maximum contemplated project impact.

The Company is committed to advancing the Mt Todd project for fast-track development when markets improve. While the gold price has fallen since the completion of the PFS, improvements in the US$/AUS$ exchange rate have been favorable for the project. The considerable amount of feasibility-level engineering already completed provides an outstanding platform from which to launch the completion of the feasibility study.

The Mt Todd gold project is favored with an endowment of existing infrastructure. Not only is access to the project gained via paved roads, but the project benefits from existing power infrastructure in the form of medium tension power lines to the site and a natural gas pipeline with sufficient capacity to provide the requirements of the power plant designed for the larger base case scenario. The Mt Todd gold project also has an existing fresh water storage reservoir and a tailings impoundment facility that is expected to store the first 60 million tonnes of tailings with a couple of operating raises.


1 We must offer the Jawoyn Aboriginal Association Corporation or JAAC (the freehold owners of the surface land) the opportunity to establish a joint venture with Vista holding 90% and the JAAC holding a 10% participating interest in the Mt Todd gold project. In addition, the JAAC will be entitled to an annual cash payment, or payment in kind, equal to 1% of the value of the annual gold production from the current Mining Licenses, and a 1% NSR on other metals, subject to a minimum payment of A$50,000 per year.
Mt Todd Proven and Probable Mineral Reserve
Resource Classification
Metric Tonnes (x1000)
Average Grade (grams/tonne)
Contained Gold Ounces (x1000)
Proven
72,495
0.88
2,057
Probable
150,309
0.82
3,844
Total Proven
& Probable
222,804
0.84
5,901
Mt Todd Measured and Indicated Mineral Resource
Resource Classification
Metric Tonnes (x1000)
Average Grade (grams/tonne)
Contained Gold Ounces (x1000)
Measured
77,793
0.88
2,193
Indicated
215,146
0.80
5,441
* Total Measured
& Indicated
292,939
0.82
7,634
* Including proven and probable reserves
Mt Todd Inferred Mineral Resource
Resource Classification
Metric Tonnes (x1000)
Average Grade (grams/tonne)
Contained Gold Ounces (x1000)
Inferred
72,458
0.74
1,729
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