** Shares of Nagambie Resources NAG.AX fall as much as 48%
to a record low of A$0.013
** Co stock set for its worst day, if losses hold
** The resource explorer losses bid to store potential acid
sulfate soil (PASS) material at its Nagambie mine
** PASS comprises mostly of iron sulfide minerals
** About 5.5 mln shares change hands, compared with 30-day
average trading volume of 420,407 shares
** Stock down 13.8% this year, as of last close
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))