geological record Argentina 20 Neuquen Basin 8 fold and thrust belt 8 Andes 6 Mendoza 6 Miocene 6 Patagonia 6 stratigraphy 6 Bolivia 4 Geochronology 4 Jurassic 4 Jurassic deposits 4 Jurassic-Cretaceous boundary 4 Malargue 4 Malargüe fold and thrust belt 4 Neuquén basin 4 Rio de la Plata 4 South America 4 Structure 4 biography 4 continental margin 4 crustal shortening 4 deformation 4 foreland basin 4 geochronology 4 geological survey 4 orogenic belt 4 paleobiogeography 4 palynology 4