Fines 
Soil particles which are 0.125mm in diameter and less. This includes Clay, Silt, and Very Fine Sand. Fines help to retain water within a soil, but too many fines contribute to a poor drainage capability.
Fines
Soil particles which are 0.125mm in diameter and less. This includes Clay, Silt, and Very Fine Sand. Fines help to retain water within a soil, but too many fines contribute to a poor drainage capability.