Moderate to high permeability. Sand and gravel. May include minor till. Commonly overlapped or entirely buried by glacial-marine deposits in the coastal lowland. Moderate to high permeability.
Stratification is rare.
Basal till is fine grained and very compact, with low permeability and poor drainage. Ablation till is loose, sandy, and stony, with moderate permeability and fair to good drainage. Unit generally overlies bedrock, but may overlie or include sand and gravel.