Argentina 4 Atlantic Ocean 4 Magnetic anomalies: modelling and interpretation 4 Magnetic anomalies: modelling and interpretations South America 4 South america 4 magnetic anomaly 4 paleomagnetism 4 Antarctica 2 Atlantic Ocean (North) 2 Basalt 2 Chubut 2 Circular structures 2 Climatic fluctuations 2 Earth structure 2 Electromagnetic surveys 2 Geological process 2 Geomagnetism 2 Geophysics 2 Grain size and shape 2 Gravity anomalies and Earth structure 2 Gravity anomalies and Earth structures 2 Laguna Potrok Aike 2 Lakes 2 Late Pliocene 2 Lithology 2 Magnetic concentration 2 Magnetic mineralogy 2 Magnetic parameters 2 Magnetism 2