2.7. Poederlee Formation - Pd
Authors: De Meuter & Laga (1976), after Vincent (1889).
Description: fine slightly glauconiferous sand, with small lenses of clay in the lower part; base with gravel of rounded quartz and flint pebbles, silicified carbonates (also called the Hukkelberg Gravel); upper part largely oxidised in the type region, sometimes limonitic sandstones with shell moulds.
Stratotype: tops of the hills north of Poederlee: iron sandstone layers.
Area: southern part of the Antwerp Campine.
Thickness: approximately 10 m in the type locality.
Age: late Pliocene.
Remarks: the formation is also discussed by Cogels & Van Ertborn (1881).