Abstract
Taking into consideration the different situations observed in the field, this chapter proposes a model of evolution of the Patagonian volcanic landscape developed from the outcrop of basaltic flows. The different geomorphological processes that act upon the evolution of these landscapes are exposed, particularly fluvial erosion and mass movement processes, and the factors that contribute to the modification or interruption of the evolutionary sequence proposed. The term “landscape of lobes and hummocks” is proposed for the final evolutionary stage of these landscapes. The rate of relative elevation of the basaltic mesetas is also estimated.
Keywords
- Geomorphological cycle
- Volcanic tableland landscape
- Extra-Andean patagonia
- Denudation rates
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Mazzoni, E., Rabassa, J. (2018). An Evolutionary Model of Volcanic Landscapes. In: Mazzoni, E., Rabassa, J. (eds) Volcanic Landscapes and Associated Wetlands of Lowland Patagonia. The Latin American Studies Book Series. Springer, Cham. https://doi.org/10.1007/978-3-319-71921-4_5
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