** Shares of diversified mineral explorer Power Minerals
PNN.AX rise as much as 9.3% to A$0.410, their highest since
June 22
** Co says first hole in mineral resource drilling programme
at Rincon salar within its Salta lithium project in Argentina
returned "excellent" lithium grades and brine density
** Says the results will feed into a preliminary economic
assessment, which is currently underway for Rincon
** As of last close, stock down 29.3% this year
(Reporting by Himanshi Akhand in Bengaluru)
((Himanshi.Akhand@thomsonreuters.com;))