** Shares of Great Southern Mining Ltd GSN.AX slide as
much as 20% to A$0.032, their lowest level since Sept. 27
** Stock last down ~17.5%, set to post its worst session
since Jan. 27, if losses hold
** The gold explorer says "not intercepted significant
quantities of nickel or copper sulphides" from first three holes
at its East Laverton Nickel project in Western Australia
** More than 700,000 shares have changed hands, vs the
30-day avg of about 450,000 shares
** Including session's loses, stock down ~52% this year
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com))