Group or Formation Period Notes Ahbach Formation Devonian Ahlen Formation Cretaceous Ahrdorf Formation Devonian Alzey Formation Paleogene Amaltheenton Formation Jurassic Amaltheus Clay Formation Jurassic Amaltheus Shale Formation Jurassic Amden Formation Cretaceous Angertal Formation Devonian Angulatensandstein Formation Jurassic Aptychus Beds Formation Jurassic Arietenkalk Formation Jurassic Aspidoides Bank Formation Jurassic Auerswald coal seam Formation Carboniferous Bausandstein Formation Triassic Bebertal Formation Permian Beckum Formation Cretaceous Belemniten Formation Jurassic Berching Formation Jurassic Bergisch Gladbach Formation Devonian Berthelsdorf Formation Carboniferous Betakalkbank Formation Jurassic Beyrichienkalk Formation Silurian Bifurcata Oolith Formation Jurassic Bochum Formation Carboniferous Bohlen Formation Paleogene Brandenberg Schichten Formation Devonian Branderfleck Formation Cretaceous Braunjura Group/Braunjura beta Formation Jurassic Braunjura Group/Braunjura gamma Formation Jurassic Brilon Massenkalk Formation Devonian Brilon Shale Formation Devonian Brongniarti-Pläner Formation Cretaceous Buechel Formation Devonian Buntsandstein Triassic Buntsandstein Group/Bernburg Formation Permian Buntsandstein Group/Buntsandstein Formation Permian Buntsandstein Group/Calvoerde Formation Permian Buntsandstein Group/Röt Formation Triassic Buntsandstein Group/Solling Formation Permian Buntsandstein Group/Volpriehausen Formation Permian Buntsandstein Group/Wechsel Formation Permian Bücheler Formation Devonian Bückeberg Formation Cretaceous Carboniferous Limestone Formation Carboniferous Cuvieri-Pläner Formation Cretaceous Cypridina Shale Formation Carboniferous Cürten Formation Devonian Dachhornstein Formation Jurassic Doberg Formation Paleogene Dreimühlen Formation Devonian Dölzschen Formation Cretaceous Eckfeld Formation Devonian Eichstätt Formation Jurassic Eifel Formation Paleogene Elbingerode Reef Formation Devonian Elligserbrink Shale Formation Cretaceous Erbsloch Formation Devonian Erbslochgrauwacke Formation Devonian Erdbach Limestone Formation Carboniferous Erfurt Formation Triassic Essen Formation Carboniferous Etroeungt Formation Devonian Exter Formation Triassic Falkenberg Group/Zwethau Formation Cambrian Finnentrop Formation Devonian Flammkohlenpartie Formation Carboniferous Flinz Limestone Formation Devonian Flöz Dreibänke Formation Carboniferous Flöz Mittel Formation Carboniferous Flöz Zweibänke Formation Carboniferous Folkeslunda Limestone Ordovician Freilingen Formation Devonian Friiesenrather Schichten Formation Devonian Fürstenau Formation Paleogene Galgenberg Formation Cambrian Gefell Formation Devonian Gehlberg Formation Paleogene Gehrener Formation Permian Gehrener Schichten Formation Carboniferous Geisental Formation Jurassic Geisheck Formation Carboniferous Gerhartsreiter Schichten Formation Cretaceous Gildehausen Sandstone Formation Cretaceous Glimmerton Formation Neogene Gogoliner Schichten Formation Triassic Goldlauter Formation Permian Goldlauterer Formation Permian Goldlauterer Schichten Formation Permian Gosau Formation Cretaceous Grafenberg Formation Paleogene Green Series Formation Jurassic Grensdolomite Formation Triassic Grevenstein Formation Devonian Grundflötz Formation Carboniferous Grünsandstein Formation Cretaceous Hallstatt Facies Group/Lercheck Limestone Formation Triassic Hallstätterkalk Formation Triassic Halstatt Formation Triassic Hangenberg Kalk Formation Carboniferous Hardegsen Formation Triassic Hartmannshof Formation Jurassic Hassberge Formation Triassic Hauptmuschelkalk Formation Triassic Hauptrogenstein Formation Jurassic Heersum Formation Jurassic Heilgenwalder Schichten Formation Carboniferous Heiligenwald Formation Carboniferous Heiligenwalder Formation Carboniferous Heimburg Formation Cretaceous Heusweiler Schichten Formation Carboniferous Hils Conglomerate Formation Cretaceous Hobräcke Formation Devonian Hohenhöfer Formation Devonian Honsel Formation Devonian Honseler Schichten Formation Devonian Horster Formation Carboniferous Humphriesi Oolith Formation Jurassic Hunsrück Slate Devonian Hydrobienkalk Formation Neogene Ibbenbüren Formation Carboniferous Iberg Reef Formation Devonian Ihmert Formation Devonian Ilfelder Schichten Formation Permian Ilmenau Formation Permian Ilsenburg Formation Cretaceous Impressamergel Formation Jurassic Jeckenbach Formation Permian Jena Formation Triassic Junkerberg Formation Devonian Jurensismergel Formation Jurassic Kahlberg Formation Devonian Kalchreuth Formation Jurassic Kalkgrauwacke Formation Devonian Kalmarsund Sandstone Cambrian Kasseler Meeressand Formation Paleogene Kaub Formation Devonian Kerpen Formation Devonian Keuper Formation Triassic Keuper Group/Benkersandstein Formation Triassic Keuper Group/Burgsandstein Formation Triassic Keuper Group/Erfurt Formation Triassic Keuper Group/Feuerletten Formation Triassic Keuper Group/Gipskeuper Formation Triassic Keuper Group/Lettenkeuper Formation Triassic Keuper Group/Lettenkohle Formation Triassic Keuper Group/Lower Keuper Formation Triassic Keuper Group/Schilfsandstein Formation Triassic Kirchstein Formation Jurassic Klerf Formation Devonian Kohlschneider Formation Carboniferous Konglomeratbank 3 Formation Triassic Korallenkalk Formation Jurassic Korallenoolith Formation Jurassic Kössen Formation Triassic Kupferschiefer Permian Kurrenberg Formation Devonian Kürten Formation Devonian Lagerdorf Formation Cretaceous Langenfelde Formation Neogene Latdorf Formation Paleogene Lauch Formation Devonian Lebach coal seam Formation Carboniferous Lebacher Schichten Formation Permian Leukersdorf Formation Permian Liegende Bankkalk Formation Jurassic Loogh Formation Devonian Lower Alum Shale Formation Carboniferous Lower Bänderschiefer Formation Devonian Lower Buntsandstein Group/Bernburg Formation Triassic Lower Dark Formation Devonian Lower Gehrener Formation Carboniferous Lower Keuper Formation Triassic Lower Keuper Group/Erfurt Formation Triassic Lower Kimmeridge marls Formation Jurassic Lower Muschelkalk Formation Triassic Lower Ottweieler layer Formation Carboniferous Lower Ottweiler Schichten Formation Carboniferous Lower Ottweiler Group/Göttelborn Formation Carboniferous Lower Saarbrücker Formation Carboniferous Löwenstein Formation Triassic Macrocephalen Oolith Formation Jurassic Malm Group/Münder Marl Formation Jurassic Manebacher Formation Permian Massenkalk Formation Devonian Meeressande Formation Paleogene Meisenheim Formation Permian, Carboniferous Meissen Formation Cretaceous Mergelstätten Formation Jurassic Merlinge Schichten Formation Triassic Messel Formation Paleogene Middle Buntsandstein Formation Triassic Middle Buntsandstein Group/Eichsfeld Sandstein Formation Triassic Middle Buntsandstein Group/Hardegsen Formation Triassic Middle Buntsandstein Group/Hardegsen Sandstone Formation Triassic Middle Buntsandstein Group/Solling Formation Triassic Middle Buntsandstein Group/Volpriehausen Formation Triassic Middle Keuper Formation Triassic Middle Keuper Formation Triassic Middle Keuper Group/Arnstadt Formation Triassic Middle Keuper Group/Hassberge Formation Triassic Middle Keuper Group/Löwenstein Formation Triassic Middle Keuper Group/Stuttgart Formation Triassic Middle Keuper Group/Trossingen Formation Triassic Middle Keuper Group/Weser Formation Triassic Middle Kimmeridge marls Formation Jurassic Middle Korallenoolith Formation Jurassic Middle Loogh Formation Devonian Molasse Group/Brackwater Molasse Neogene Molasse Group/Lower Freshwater Molasse Neogene, Paleogene Molasse Group/Upper Freshwater Molasse Neogene Muschelkalk Group/Ceratites Beds Formation Triassic Muschelkalk Group/Hauptmuschelkalk Formation Triassic Muschelkalk Group/Jena Formation Triassic Muschelkalk Group/Lower Hauptmuschelkalk Formation Triassic Muschelkalk Group/Meissner Formation Triassic Muschelkalk Group/Meißner Formation Triassic Muschelkalk Group/Schaumkalk Formation Triassic Muschelkalk Group/Trochitenkalk Formation Triassic Muschelkalk Group/Wellenkalk Formation Triassic Mörnsheim Formation Jurassic Mörsheim Formation Jurassic Mühlenberg Formation Devonian Neckars Formation Germany Neichnerberg Formation Devonian Nellenköpfchen Formation Devonian Netzkater Formation Permian Neuburg Formation Jurassic Neuburger Weiß Formation Cretaceous Neuwieder Becken 1 Formation Paleogene Neuwieder Becken 2a Formation Paleogene Neuwieder Becken 2b Formation Paleogene Neuwieder Becken 3 Formation Paleogene Neuwieder Becken 4 Formation Paleogene Neuwieder Becken 5 Formation Paleogene Neuwieder Becken 6 Formation Paleogene Neuwieder Becken 7a Formation Paleogene Neuwieder Becken 7b Formation Paleogene Neuwieder Becken 8 Formation Paleogene Newberria Formation Devonian Nohn Formation Devonian Nusplingen Limestone Formation Jurassic Nusplingen Plattenkalk Formation Jurassic Oberer Hauptmuschelkalk Formation Triassic Oberer Travertin Formation Germany Oberer Travertin I Formation Germany Oberer Travertin II Formation Germany Oberhäslich Formation Cretaceous Oberhofer Formation Permian Oberhonsel Formation Devonian Odernheim Formation Carboniferous Odershausen Formation Devonian Oerlinghausen Formation Cretaceous Ohlsbach Formation Carboniferous Opalinus Clay Formation Jurassic Opalinuston Formation Jurassic Ornatenton Formation Jurassic Orthocrinus Formation Devonian Ottweiler Formation Carboniferous Ottweiler Layers Formation Carboniferous Ottweiler Schichten Formation Carboniferous Ottweiler Stufe Formation Carboniferous Painten Formation Jurassic Papierschiefer Formation Jurassic Parkinsoni Oolith Formation Jurassic Petite Formation Carboniferous Plattenkalk Formation Devonian Plattenkalk Group/Bücheler Schichten Formation Devonian Posidonia Shale Jurassic Purbek Kalk Formation Cretaceous Ramsau Dolomite Formation Triassic Randeck Maar Formation Neogene Refrath Formation Devonian Regensburger Grünsandstein Formation Cretaceous Rennertshofen Formation Jurassic Reudelstrerz Formation Devonian Rhaet Hauptton Formation Triassic Rheinisches Schiefergebirge Formation Devonian Rodert Formation Devonian Roteisenstein Formation Devonian Rothaeuser Grauwacke Formation Devonian Rotliegend Group/Döhlen Formation Permian Rotliegend Group/Lauterecken Formation Permian Rotliegend Group/Niederhäslich Formation Permian Rotliegend Group/Tambach Formation Permian Rott Formation Paleogene Rügen Chalk Cretaceous Rupel Formation Paleogene Rußkohlenflötz Formation Carboniferous Rögling Formation Jurassic Röt Formation Triassic Rüssingen Formation Neogene Saarbrücken Group/Luisenthal Formation Carboniferous Saarbrückenisches Kohlengebirge Formation Carboniferous Saarbrücken Formation Carboniferous Sandersdorf Formation Carboniferous Saxler Formation Devonian Scaphiten-Pläner Formation Cretaceous Schrambach Formation Cretaceous Schrattenkalk Formation Cretaceous Schreyeralm Formation Triassic Schwelm Formation Devonian Schwelm Limestone Formation Devonian Selscheid Formation Devonian Selztal Group/Alzey Formation Paleogene Sengenthal Formation Jurassic Septarienton Formation Paleogene Siegen Formation Devonian Siegener Schichten Formation Devonian Siphonia Marl Formation Cretaceous Solling Formation Triassic Solnhofen Formation Jurassic Sprockhoeveler Formation Carboniferous Stadtfeld Formation Devonian Sternberg Formation Paleogene Stockletten Formation Paleogene Strehlen Formation Cretaceous Stringocephalus limestone Formation Devonian Strohgelbe Kalke Formation Triassic Stromberg Formation Cretaceous Strubberg Formation Jurassic Stuttgart Formation Triassic Stöppel Shale Formation Devonian Subway Formation Cretaceous Söhlde Formation Cretaceous Tambacher Formation Permian Thermalsinterkalk Formation Neogene Torleite Formation Jurassic Torringen Formation Devonian Trochitenkalk Formation Triassic Trossingen Formation Triassic Untere Ottweiler Schichten Formation Carboniferous Untere Saarbrücker Schichten Formation Carboniferous Unterer Korallenoolith Formation Jurassic U