Lower / Upper Germanic Trias / Middle & Upper North Sea / Zechstein Group / RGFZ Cleaver Bank High / Chalk Group / BM 1 Chalk Group 2 Schieland / Upper Rotliegend Groups Rijnland Group PBF / Upper Germanic Trias Groups / North Sea Group / Rijnland Group / Altena Group / BM 1 Chalk Group / /
Country
Germany / Belgium / Netherlands / / /
NaturalFeature
Upper North Sea / /
Organization
the Netherlands PO / Ministry of Economic Affairs TNO Built Environment / /