The black cotton soil of India has been formed due to the weathering of
The black cotton soil of India has been formed due to the weathering of
brown forest soil
fissure volcanic rock
granite and schist
shale and limestone
Solution
Black cotton soil (regur) is formed from the weathering of basaltic (fissure volcanic) rocks of the Deccan Trap. It is rich in iron, lime and calcium, and is moisture-retentive.