** Shares of Black Canyon BCA.AX rise as much as 20.7% to
A$0.07; set for best session since early May, if current gains
hold
** Stock hits highest level since Sept. 2
** Specialty miner says high-grade manganese discovered in
Western Australian project
** Co says samples collected for test work to potentially
produce a high-grade manganese product
** About 929,533 shares change hands, 9.2x the 30-day avg
volume
** Stock down 50% YTD, as of last close
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))