P.K. Byrne, E.P. Holohan, M. Kervyn, B. van Wyk de Vries, V.R. Troll, J.B. Murray; A sagging-spreading continuum of large volcano structure. Geology 2013; 41 (3): 339-342. doi: 10.1130/G33990.1
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Gravitational deformation strongly influences the structure and eruptive behavior of large volcanoes. Using scaled analog models, we characterize a range of structural architectures produced by volcano sagging and volcano spreading. These arise from the interplay of variable basement rigidity and volcano-basement (de-)coupling. From comparison to volcanoes on Earth (La Réunion and Hawaii) and Mars (Elysium and Olympus Montes), the models highlight a structural continuum in which large volcanoes throughout the Solar System lie.