Metasomatism process investigation where granitoid body of the south of Sabzevar neighbors with subvolcanic body of Kuh-e-Mish
This area is situated about 21 km . west of Miyaneh , and belongs to Alborz-Azarbayjan structural zone.
Intermidiate pyroclastic and basalt , andezitic basalt, andesite, dasite, rhyodasite and rhyolite(Eocene) are widespread all over in the area.
On the petrogentic view the volcanic series of these rocks is high potasic calc — alkalin magma that generated is continental collision arc.