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Slightly Gravelly Sand (Substrate Subgroup)

Component: Substrate

Unique Identifier: 283

Substrate Origin Geologic Substrate
Substrate Class Unconsolidated Mineral Substrate
Substrate Subclass Fine Unconsolidated Substrate
Substrate Group Slightly Gravelly
Substrate Subgroup Slightly Gravelly Sand

Definition Geologic Substrate is 0.01% to < 5% Gravel, and the remaining Sand-Mud mix is 90% or more Sand.