** Shares of Argonaut Resources NL ARE.AX rise as much as
33.3% to A$0.002, their biggest intraday pct gain since March 7
** The mineral explorer says drilling programme targeting
lithium, caesium, tantalum (LCT) pegmatites has begun at the
Darson prospect within its 80%-held Higginsville project in
Western Australia
** Adds soil samples have been sent to the laboratory for
testing and analysis
** Stock down 25% this year, as of last close
(Reporting By Udbhav Krishna P in Bengaluru)
((UdbhavKrishna.P@thomsonreuters.com))