** A sub-index of Australian gold miners .AXGD climbs as much as 3.2% to a record high
** Gold prices scaled the unprecedented $4,700-an-ounce milestone overnight as escalating geopolitical tensions boosted safe-haven demand GOL/
** Evolution Mining EVN.AX rises 6.7% to its all-time high after reporting higher December-quarter gold production
** Westgold Resources WGX.AX jumps 11.1% to a new high after posting record quarterly production
** Sector heavyweight Northern Star Resources NST.AX rises 1.6%, while ASX-listed shares of Newmont Corp NEM.AX add 2.6%
** As of last close, AXGD up 8.9% YTD vs a 1.2% gain in benchmark index .AXJO
(Reporting by Himanshi Akhand in Bengaluru)
((Himanshi.Akhand@thomsonreuters.com))