South America 8 glaciofluvial deposit Argentina 4 Break-away zones 4 Darwin 4 Erratic blocks 4 Geological hazards 4 Glaciations 4 Lama guanicoe 4 Last Interglacial 4 Moraines 4 Neuquen 4 Northern Neuquén 4 Patagonia 4 Rock-avalanches 4 Seismic trigger 4 cordillera 4 deposition 4 depositional environment 4 geomorphology 4 glaciation 4 moraine 4 outburst 4 prehistoric 4 rock avalanche 4 rock block 4 shock wave 4 sliding 4 stratigraphy 4 structural geology 4