Sandy Silt (Substrate Subgroup)

Component: Substrate

Unique Identifier: 295

Substrate Origin	Geologic Substrate
Substrate Class	Unconsolidated Mineral Substrate
Substrate Subclass	Fine Unconsolidated Substrate
Substrate Group	Sandy Mud
Substrate Subgroup	Sandy Silt

Description

Definition

Geologic Substrate surface layer shows no trace of Gravel and contains 10% to < 50% Sand; the remaining Silt-Clay mix is 67% or more Silt.