March 16 (Reuters) - Gran Colombia Gold Corp GCM.TO
* Gran Colombia Gold signs option agreement with iamgold to explore zancudo project
* Gran Colombia Gold Corp- under agreement iamgold has been granted an option to acquire an initial undivided 65% interest in zancudo project
* Gran Colombia Gold says iamgold also been granted option to acquire further 5% undivided interest for about 70% undivided interest in zancudo project
* Gran Colombia-option to acquire an 65% interest in zancudo project by incurring us$10 million of mineral exploration expenditures over a six-year period Source text for Eikon: ID:nMKWKGrQxa Further company coverage: GCM.TO