The Main Range granites of Peninsular Malaysia form the backbone mountain ranges of the Peninsula, and represent the Centrel Granitoid Province of SE Asia. These granite bodies comprise a series of large mesozonal batholiths and plutons of biotite granites of S-type ilmenite series, emplaced into Lower to Middle Paleozoic-grade metamorphic rocks in Peninsular Malaysia. The genesis of the Main Range granites has been sugested to be in an A-type subduction setting and indicate of syn- to post-collisional. There are the granites which are associated with tin mineralization throughout the Peninsular Malaysia and as far south as the Indonesian island of Billiton.
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