Title: The Caledonian-Appalachian orogen
Subjects: Orogenic belts, Stratigraphic Geology, Congresses, Geology, Stratigraphic - Paleozoic - Congresses, Orogeny - North America - Congresses, Orogeny - Europe - Congresses, Geology, stratigraphic, paleozoic, Geology, structural, Geology, north america, Geology, europe, Orogeny
Places: North America, Europe
Time periods: Paleozoic