Substrate Origin | Geologic Substrate |
Substrate Class | Unconsolidated Mineral Substrate |
Substrate Subclass | Fine Unconsolidated Substrate |
Substrate Group | Sand |
Substrate Subgroup | Coarse Sand |
Definition | Geologic Substrate surface layer contains no trace of Gravel and is composed of > 90% Sand, with a median grain size of 0.5 millimeters to < 1 millimeter. |