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Definition: Sand is
a mix of small grains of rock and granular materials which is mainly define by
size. As it finer than gravel and coarser than silt and the ranging in size
from 0.06 mm to 2 mm. Particles which are larger than 0.0078125
mm but usually smaller than 0.0625 mm are termed silt.
Sand is made by erosion or broken
of rock and weathering of rocks, which process is carried out by seas or
rivers also freezing and thawing during the winter. Most of the time Sand on
beaches can also be made by small broken-up pieces of coral, bone, and shell,
which are broken up by predators. Sand can be also considered as textural class
of soil. Always sandy soil contain more than 85% sand-sized particles
Composition of Sand
Sand is basically made of
unconsolidated granular materials consisting of either rock materials and
mineral particles or else oceanic materials these are mainly made of silicate
minerals and silicate rock granular particles. Quartz is the most
available mineral as it highly resistant properties to weather. Feldspar is the
most available found group of minerals on the earth surface and forms about 65%
of the terrestrial rocks.