** Shares of Australia's Greenvale Mining Ltd GRV.AX fall
as much as 20% to A$0.060, lowest since Nov. 3, 2020
** Mineral explorer launches share purchase plan to raise
A$2.4 mln ($1.54 mln) at an offer price of A$0.06 per share
** Offer price at a 20% discount to stock's last closing
price
** Co says proceeds will be used to advance expanded
processing test work at Alpha Torbanite Project in central
Queensland
** Shares mark biggest intraday pct fall since July 26
** GRV down 77.3% YTD, as of last close
($1 = 1.5555 Australian dollars)
(Reporting by Nausheen Thusoo)
((Nausheen.Thusoo@thomsonreuters.com;))