Grey to yellow very fine to medium sand, grey loam, and grey humic clay, sandy. Subordinate peat layers and gyttja.
Small-scale fluvial or fluvioperiglacial (brook), including channel (sand), overbank (silt and clay) and swamp (peat and gyttja).
Sharp contact with glacial sediment (Drente Formation), gradual transition into fluvial sand (Kreftenheye and Stramproy Formations), unconformable contact with coversand (Wierden Member, Boxtel Formation) and loess (Liempde Member, Boxtel Formation).
Commonly exposed at the surface. Locally, sharp contact with tidal sand and clay (Naaldwijk Formation) or unconformable contact with coversand (Wierden Member, Boxtel Formation).