** Shares of Santana Minerals SMI.AX rise as much as 7.7%
to A$1.335, highest level since Feb. 14
** Precious metal explorer says it achieved positive initial
mining assessments at their Rise and Shine (RAS) prospect in New
Zealand
** Open pit generates an operating cash surplus of NZ$2.04
billion ($1.24 billion) dollars - co
** Stock set for best day since March 4, if gains hold
** SMI up 22.8% YTD as of last close
($1 = 1.6455 New Zealand dollars)
(Reporting by Adwitiya Srivastava in Bengaluru)
((Adwitiya.Srivastava@thomsonreuters.com;))