** Shares of Genmin Ltd GEN.AX rise 2.7% to A$0.038; stock hits highest level since March 12
** The iron ore producer signs a mining convention with the Gabon government for its 100% owned Baniaka iron ore project
** Mining convention is a document required to secure project development capital, co says
** About 519,397 shares change hands by 0411 GMT, 1.3x the 30-day average volume of shares
** Stock down 5.1% this year, as of last close
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com;))