** Shares of St George Mining SGQ.AX rise as much as 5.1% to A$0.041, their highest level since July 15
** Critical minerals developer receives commitments for A$5 mln via placement to upscale diamond drill programme at Araxa project, Brazil
** Project has high-grade niobium and rare earth element mineralisation
** Co assessing opportunities to establish downstream partnerships in the U.S. for rare earths processing and magnet production amid surging demand for non-China supply
** About 19.2 mln shares change hands, 1.1x the 30-day average
** YTD, stocks up ~60%
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))