Coastal and Marine Ecological Classification Standard
CMECS
Substrate
Geologic Substrate
Unconsolidated Mineral Substrate
Fine Unconsolidated Substrate
Sandy Mud
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Sandy Silt
Substrate Subgroup: Geologic Substrate surface layer shows no trace of Gravel and contains 10% to < 50% Sand; the remaining Silt-Clay mix is 67% or more Silt.
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