Question

what are the main constituents of alluvial soil? which minerals are present quantity in it?​

Answer 1

Answer:

HERE IS YOUR ANSWER BUDDY !

As a whole, soil is made up from four constituents: mineral material, organic material, air and water. There are considered to be three main mineral parts to soil; 'sand', 'silt' and 'clay'. These parts give the soil its 'mineral texture'.

Basic Components

Basic ComponentsThe four main components of soil are rocks (minerals), water, air and organic material (leaves and decomposed animals, for example). The fifth component of soil, which isn't always recognized, is the living world that exists under the ground -- the biological component.

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Answer 2

Answer:

Alluvium consists of silt, sand, clay, and gravel and often contains a good deal of organic matter. It therefore yields very fertile soils such as those of the deltas of the Mississippi, the Nile, the Ganges and Brahmaputra, and the Huang rivers. In some regions alluvial deposits contain gold, platinum, or gemstones and the greater part of the world’s supply of tin ore (cassiterite).