Australia's Chalice Mining gains on copper-gold discovery at Tennant Creek project

** Shares of Australia's Chalice Mining CHN.AX rise as much as 5.2% to A$0.9675, marking their biggest intraday pct gain since October 16

** Diversified miner reports shallow high-grade copper-gold discovery at its Kestrel prospect within the Warrego North project in Australia's Tennant Creek Mineral Field, Northern Territory

** Co says subsequent drilling intersected a broad copper-gold zone over about 500 metres of strike and to depths of around 140 metres

** Adds gravity survey will begin in upcoming weeks to guide follow-up drilling, with assays pending from eight additional holes

** More than 2.9 million shares change hands, about 1.6x the 30-day average

** YTD, stock down 56%, including session's moves