** Shares of Core Lithium rise as much as 9.1% to A$0.12, posting their biggest intraday pct gain since Oct. 21

** Diversified miner reports lithium mineralisation from its Blackbeard prospect of Finniss project in Northern Territory

** Adds mineralisation entirely contained within co's mining lease

** CXO down 53% YTD, including current session's moves

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com))