Mention alluvial soil, black soil, Red soil, laterite soil, desert soil and mountain soil
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Alluvial soils are soils deposited by surface water. You will find them along rivers, in floodplains and deltas (like the Mississippi Delta), stream terraces, and areas called alluvial fans. This last category results from larger floods, causing the soil to spread out in the shape of a triangle fan.
Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep.
Red soil is a type of soil that develops in a warm, temperate, moist climate under deciduous or mixed forest, having thin organic and organic-mineral layers overlying a yellowish-brown leached layer resting on an illuvium red layer.
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content.
Most desert soils are called Aridisols (dry soil). However, in really dry regions of the Sahara and Australian outback, the soil orders are called Entisols. Entisols are new soils, like sand dunes, which are too dry for any major soil horizon development.
Mountain soils are generally defined as poorly developed, skeletal, shallow, acidic and relatively infertile. They are also highly diverse and can vary significantly within limited areas due to different exposure and steepness.