March 20 (Reuters) - Eco Oro Minerals Corp EOM.CD :
* ECO ORO FILES MEMORIAL IN ARBITRATION AGAINST COLOMBIA
* ECO ORO MINERALS CORP - ECO ORO IS SEEKING $764 MILLION AS COMPENSATION FOR DAMAGES
March 20 (Reuters) - Eco Oro Minerals Corp EOM.CD :
* ECO ORO FILES MEMORIAL IN ARBITRATION AGAINST COLOMBIA
* ECO ORO MINERALS CORP - ECO ORO IS SEEKING $764 MILLION AS COMPENSATION FOR DAMAGES