Aug 14 (Reuters) - Castle Minerals Ltd CDT.AX :
* GHANA-BASED UNIT EXECUTED A BINDING TERM SHEET WITH IGUANA RESOURCES LIMITED
* IGUANA MAY EARN UP TO AN 80% INTEREST IN CARLIE'S DEGBIWU AND GBINIYIRI LICENCES BY SPENDING $11.7 MILLION IN 3 STAGES OVER 5 YRS