Following specification is true for :
(i) Rounded to angular bulky, hard, rock particle; passing 4.75 mm IS sieve, but retained on 75 micron sieve.
(ii) Coarse: 4.75 mm to 2.0 mm IS sieve
Fine: 425 micron to 65 micron IS sieve
1
Coarse grained gravel
2
Fine-grained Silt
3
Coarse grained sand
4
Fine-grained Clay