transported, superficial sediment deposited on top of the bedrock; mostly unconsolidated clay, sand and coarser clastic debris; generally Quaternary age, hence too young to be consolidated; varies in total thickness from 0 to 50 m.
transported, superficial sediment deposited on top of the bedrock;mostly unconsolidated clay, sand and coarser clastic debris; generallyQuaternary age, hence too young to be consolidated; varies in total thicknessfrom 0 to 50 m.