plate convergence Andes 8 foreland basin 8 Tectonics 6 extensional tectonics 6 plate motion 6 subduction zone 6 tectonic setting 6 Absolute motion 4 Back-arc basin 4 Compression 4 Extension 4 Fold-and-thrust belts 4 Foreland basin 4 Magmatic arc 4 Mesozoic 4 backarc basin 4 deformation 4 plate tectonics 4 Andean orogeny 2 Argentina 2 Atlantic Ocean 2 Basin development 2 Broken foreland 2 Central Andes 2 Chaco [Argentina] 2 Chaco-Paraná Basin 2 Chubut Group 2 Chubut group 2 Convergent plate boundaries 2