3.2.3. Bhangar Plains

The south of Tarai is a belt consisting of old and new alluvial deposits known as the Bhangar and Khadar respectively. The Bhangar represents the upland alluvial tracts formed by the older alluviums. The largest part of the northern plains is formed of this older alluvium. The Bhangar formations were deposited during the middle Pleistocene period. The Bhangar land lies above the flood limits of the rivers. The soil is dark in colour, rich in humus content and productive. It contains concentration and nodules of impure calcium carbonate or kankar.