Primary rock in sierra Nevada batholith?

The primary rock type in the Sierra Nevada Batholith is granitic rock, specifically monzogranite and granite. This large igneous intrusion formed primarily from melted continental crust during the Cretaceous period. The batholith is characterized by its coarse-grained texture and includes various mineral compositions, primarily quartz, feldspar, and biotite. It plays a significant role in the geology and landscape of the Sierra Nevada mountain range.