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Clay (Substrate Subgroup)

Component: Substrate

Unique Identifier: 300

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


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