Permian-Triassic-Jurassic lithostratigraphic units
(version of 2001 for the Triassic-Jurassic of the Belgian Lorraine)
1 Permian lithostratigraphic units, Malmédy Graben (Belgium)
2 Permian, Triassic and Jurassic lithostratigraphic units, Campine Basin and Roer Valley Graben (NE Belgium)
3 Triassic and Jurassic lithostratigraphic units (Belgian Lorraine)