Complex sentence: The Mining Industry of Senegal is mainly centred around the production of phosphates and industrial limestone, but in recent years there has been a gold mining boom in the country, and exploitation of platinum, iron, uranium, and base metals.
Split into simpler sentences: The Mining Industry of Senegal is mainly centred around the production of phosphates and industrial limestone. In recent years there has been a gold mining boom in the country, and exploitation of platinum, iron, uranium, and base metals.