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Granitoid rocks derived from sedimentary source rocks, usually peraluminous, with muscovite and Al-rich minerals like garnet, cordierite and andalusite.
Classification of S-type graniteHide
Rock ➔ Igneous rock ➔ Normal crystalline igneous rock ➔ Coarse-grained ("plutonic") crystalline igneous rock ➔ Granitoid ➔ S-type granite
Mineralogy of S-type graniteHide
Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: