Gravelly Muddy Sand (Substrate Subgroup)

Component: Substrate

Unique Identifier: 275

Substrate Origin	Geologic Substrate
Substrate Class	Unconsolidated Mineral Substrate
Substrate Subclass	Coarse Unconsolidated Substrate
Substrate Group	Gravelly
Substrate Subgroup	Gravelly Muddy Sand

Description

Definition

Geologic Substrate is 5% to < 30% Gravel, and the remaining Sand-Mud mix is 50% to < 90% Sand.