Jun 15, 2026 – 1.15pmSt George Mining, the $415 million rare earths and niobium hopeful backed by Gina Rinehart, is chasing fresh funds to keep the drills going at its flagship project in Brazil.St George Mining executive chairman John Prineas. Sarah Thompson has co-edited Street Talk since 2009, specialising in private equity, investment banking, M&A and equity capital markets stories. Prior to that, she spent 10 years in London as a markets and M&A reporter at Bloomberg and Dow Jones.Kanika Sood is a journalist based in Sydney who writes for the Street Talk column.Emma Rapaport is a co-editor of the Street Talk column. Prior to that, she was a markets reporter at The Australian Financial Review.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber?
Gina Rinehart-backed St George Mining rattles the tin for $60m
Rinehart, who made her fortune in iron ore but now has nearly 10 per cent of her wealth tied up in rare earths, popped up with a 6.24 per cent stake in St George in December.
TL;DRAI
St George Mining (Gina Rinehart-backed, $415M valuation) is raising $60M for rare earths and niobium in Brazil. Critical for AI chip supply chains—signals tightening competition for strategic hardware inputs as AI infrastructure demand accelerates.
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