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Silty Sand (Substrate Subgroup)

Component: Substrate

Unique Identifier: 292

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

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