Yenisey Fold Belt
Dividing the Siberian craton from the West Siberian basin is the Yenisey fold belt, which extends about 700 kilometres (430 mi), with NW-SE strike. This belt is divided into northern and southern regions by the Angara fault which has left slip. Much of the rock was formed by Neoprotozoic accretion.
North of the fault, the area is made up of thrust sheets divided into three primarily Neoproterozoic terranes, the East Angara, Central Angara and the Isakov. Each one overrides another, and volcanism is generally limited to the Central and Isakov terranes. South of the fault are the Predivinsk terrane, made of island arc accretion, and the Angara-Kan micro-craton, which is sometimes considered separate from the fold belt.
Read more about this topic: Geology Of Russia
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