This definition is intentionally ambiguous to support the multiple thresholds set by different authorities. Some authorities consider as sands soil material that contains 85% or more sand; the percentage of silt plus 1.5 times the percentage of clay does not exceed 15. coarse sand (sable grossier) 25% or more very coarse and coarse sand, and less than 50% any other one grade of sand.

This definition is intentionally ambiguous to support the multiple thresholds set by different authorities. Some authorities consider as sands soil material that contains 85% or more sand; the percentage of silt plus 1.5 times the percentage of clay does not exceed 15. coarse sand (sable grossier) 25% or more very coarse and coarse sand, and less than 50% any other one grade of sand.

LTER:484

EcoLexicon:sand

SWEETRealm:Sand

Do not oversimplify the particulate environmental material subclasses with design patterns or similar. The materials have properties that their components do not - write full definitions including these where possible.

Particulate environmental material which is composed primarily of particles of sand with only minor proportions of other substances.

sand