** Shares of copper explorer New World Resources NWC.AX
jump as much as 16.1% to A$0.036, set to post their best day
since Nov. 5
** Co confirms some major depth extensions to key zones
within its Antler copper deposit, part of the wider Antler
project in Arizona urn:newsml:reuters.com:*:nASX3C1vZC
** Stock hits highest since June 14
** Says recent drilling completed at the project struck
high-grade mineralization of copper, zinc and lead
** NWC down 56.6% YTD, as of last close
(Reporting by Riya Sharma in Bengaluru)
((Riya.Sharma@thomsonreuters.com;))