Sandy Gravel (Substrate Subgroup)

Component: Substrate

Unique Identifier: 270

Substrate Origin	Geologic Substrate
Substrate Class	Unconsolidated Mineral Substrate
Substrate Subclass	Coarse Unconsolidated Substrate
Substrate Group	Gravel Mixes
Substrate Subgroup	Sandy Gravel

Description

Definition

Geologic Substrate is 30% to < 80% Gravel, with Sand composing 90% or more of the remaining Sand-Mud mix.