A limestone magadi the correctly matched mineral is. A. Limestone - Magadi. The correctly matched mineral is Diatomite mined at Kariandusi. B. Flourspar is mined in Kerio Valley. Limestone is mined in Athi river. Fluorspar - Athi river. The correctly matched mineral is Diatomite mined at Kariandusi. C.Limestone is now mined using surface and underground methods. Surface quarrying is the most common method of producing limestone in Missouri. Also, it is typically the most economical method. Many surface operations are simply hillside cuts or open pit quarries. Controlled blasting at the quarry face is used to break the rock into pieces.