** Shares of critical minerals miner IGO Ltd IGO.AX rose as much as nearly 6% to A$4.780, their highest level since Feb 19

** IGO last up 2.2%, in line with mining sub-index .AXMM

** Explorer Carawine Resources CWX.AX says IGO will withdraw from the Fraser Range Joint Venture, which IGO manages with a 76% stake

** CWX did not give reason and IGO did not comment on the statement; CWX shares trading flat

** IGO trading volume at 7.6 mln, nearly 2x 30-day avg

** YTD, IGO down 5.2%

(Reporting by Nichiket Sunil in Bengaluru)

((Nichiket.Sunil@thomsonreuters.com))