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Muddy Sand (Substrate Group)

Component: Substrate

Unique Identifier: 280

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

Definition Geologic Substrate surface layer contains no trace of Gravel and is composed of 50% to < 90% Sand (particles 0.0625 millimeters to 2 millimeters in diameter); the remainder is composed of Mud (particles less than 0.0625 millimeters in diameter).