Aston Resources has completed a definitive feasibility study (DFS) for the Maules Creek project in New South Wales, Australia.

According to the DFS, the project has a mine life of 30 years, with the open cut mine expected to produce 84% semi-soft metallurgical coal over the first 20 years of production.

The total expenditure of the project is estimated to be $553m with a cash cost of $62.9/ton.

The comprehensive coal quality drilling and testing programme, combined with independent testing and verification, confirmed a material upgrade in the quality of the Maules Creek resource.

Aston Resources CEO Todd Hannigan said the upgraded coal quality and production profile will establish Maules Creek as a strategically important metallurgical coal asset.