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Silty-Clayey Sand (Substrate Subgroup)

Component: Substrate

Unique Identifier: 293

Substrate Origin Geologic Substrate
Substrate Class Unconsolidated Mineral Substrate
Substrate Subclass Fine Unconsolidated Substrate
Substrate Group Muddy Sand
Substrate Subgroup Silty-Clayey Sand

Definition Geologic Substrate surface layer shows no trace of Gravel and contains 50% to < 90% Sand; the remaining Silt-Clay mix is 33% to < 67% Silt.