Gulpen Formation
Geology
Members: unnamed (8), Beutenaken (1), Lanaye (10), Lixhe 1-3 (3), Lixhe I (1), upper Lixhe 3 (1), Vijlen (13), Zeven Wegen (9), Zeven Wegen Chalk (2), Zevenwegen (3)
Lithologies: not reported (1), sandstone (2), lime mudstone (3), chalk (28), wackestone (12), grainstone (1), "limestone" (2), "carbonate" (1), chert (2)
Paleoenvironments: marine indet. (5), carbonate indet. (32), shallow subtidal indet. (1), offshore indet. (9), coastal indet. (2), offshore (3)
Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma
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