** Shares of Siren Gold SNG.AX jump as much as 11.8% to
A$0.190, their highest level since Nov. 2
** The gold explorer reports increase in size and grade of
gold estimated to be procured from its Sams Creek Gold Project
in New Zealand
** Says updated mineral resource estimate represents a 37.4%
increase in contained ounces and a 16% increase in the grade of
gold
** Adds Sams Creek project is open in all directions and has
the potential for increased gold resources from additional
exploration drilling
**Stock down 40.4% this year, as of last close
(Reporting by Ayushman Ojha in Bengaluru)
((ayushman.ojha@thomsonreuters.com))