Retroarc Neogene 5 Argentina 4 Basaltic volcanism 4 Breakout 4 Central andes 4 Cura 4 Dikes 4 Eocene 4 Holocene 4 Miocene 4 Neuquen Basin 4 Paleocene 4 Payenia 4 Payún Matrú 4 Pliocene 4 Stress 4 Trachytes 4 basalt 4 basin evolution 4 bitumen 4 borehole 4 crustal thinning 4 dike 4 orogeny 4 sedimentary basin 4 sedimentation 4 stress field 4 structural geology 4 uncertainty analysis 4