The small town of Reefton, located in the West Coast, is sitting on a supply of a valuable mineral.

An Australian mining company believes Reefton could have 5 percent of the world's supply of antimony.

Siren Gold CEO Victor Rajasooriar says it's likely they'll find at least 50,000 to 100,000 tonnes of antimony if they keep drilling.

"We're quite confident with the initial drilling that we've done... there's a lot sitting in that region.

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