Highfield Resources Ltd (ASX:HFR) has released an updated ore reserve estimate for its flagship Muga-Vipasca Potash Project, encompassing a new life of mine plan ahead of construction.

Muga-Vipasca now sits at 104.3 million tonnes at a mean grade of 10.2% potassium oxide, comprising a proved reserve of 45.3 million tonnes at 10.5% and a probable reserve of 58.9 million tonnes at 10.0%.

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