** Shares of Australian iron ore producer Hawsons Iron Ltd
HIO.AX rise as much as 8.5% to A$0.4450, their biggest
intraday pct jump since July 7
** Announces 21% increase in mineral resource estimate to
484 million tonnes (MT) at HIO's flagship Iron Project in New
South Wales
** Says confident in meeting targeted minimum concentrate
production of 20 MT per annum
** Co also increased Iron Project's exploration target with
a range of 5 to 18 billion tonnes
** More than 3.5 mln shares change hands, vs the 30-day
average volume of 3.1 mln shares
(Reporting by Rishav Chatterjee in Bengaluru)
((rishav.chatterjee@thomsonreuters.com))