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Sandy Silt-Clay (Substrate Subgroup)

Component: Substrate

Unique Identifier: 296

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

Definition Geologic Substrate surface layer shows no trace of Gravel and contains 10% to < 50% Sand; the remaining Silt-Clay mix is 33% to < 67% Silt.