Tunguska Basin

The Tunguska Basin is a sedimentary basin in Siberia.

Geography

Much of the Siberian Traps Large Igneous Province is inside.
The area is about in Krasnoyarsk Territory and Sakha Republic, between the Yenisei and Lena rivers. It contains a huge untapped coal reserve. Its main settlements there are Norilsk, Igarka, and Yeniseisk. The Tunguska rivers cross the basin. On June 30, 1908, near the Stony Tunguska River, the Tunguska Event took place.

Geology

Boreholes in the Tunguska Basin indicate ubiquitous and abundant sills, having great lateral extension.
The Tunguska Basin makes up much of the Siberian Craton and has several sub-basins.