** Shares of Red Mountain Mining RMX.AX rise as much as
30% to A$0.0065, their highest since Feb. 14
** Co says assay results confirm discovery of lithium
bearing claystone from phase 1 drilling campaign at Mustang
lithium project in Nevada, U.S.
** Says majority of drill holes encountered thick,
consistent lithium mineralisation from or near surface
** Nearly 88 mln shares traded vs 30-day daily avg of ~4 mln
** Stock last up 10%, taking YTD gains to up ~22%
(Reporting by Upasana Singh in Bengaluru)
((Upasana.Singh@thomsonreuters.com))