Lena Plateau

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Lena Plateau

 

an elevated plain situated on the southeastern Middle Siberian Plateau, in Irkutsk Oblast and the Yakut ASSR. The average elevation ranges from 450 to 500 m. Extending 750 km between the mouths of the Tira and Dzherba rivers, the plateau is composed of Cambrian and Ordovician gypsum-and salt-bearing limestones, of dolomites, and occasionally of sandstones. It is covered with taiga pine and larch forests; there are meadows in the river valleys. Deposits of gypsum and rock salt are found on the plateau.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.