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Showing 1 to 4 of 4 for “"Flat Subduction"”.
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Investigating flat-slab subduction underneath South America using 4D numerical simulations
… South America is an ideal example of modern subduction, which provides an opportunity to study mechanisms of flat-slab subduction and the nature of mantle seismic structures. Subduction occurring at this location is characterized by along-trench variation from flat- to steep-dipping slabs, as …
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Velocity Structure of the Subducting Nazca Plate beneath central Peru as inferred from Travel Time Anomalies
… (110-150 km) earthquakes within the region of flat subduction beneath central Peru provide constraints on the geometry and velocity structure of the subducting Nazca plate. Hypocenters for these events, which are beneath the sub-andean and eastern Peruvian basins, were determined using a …
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Tectonostratigraphic evolution of the Sinu accretionary prism and Lower Magdalena forearc basin formed above a shallow-dipping subduction zone, Caribbean margin of Colombia
… (110˚) dipping zone of shallow subduction beneath northwestern Colombia, an actively deforming accretionary prism, and an Oligocene to Recent forearc basin. Low angle subduction occurs as a 13-16 km thick Late Cretaceous oceanic plateau subducts beneath South America. Tomographic …
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Studying subduction zone dynamics and continental evolution in South America using data-oriented geodynamic models
… evolution. This continent possesses the longest subduction zone, the second highest continental plateau and tremendous amounts of volcanic eruption on its western coast. On the eastern coast, the Brazilian highlands that reach more than 1 km above the sea level were once submerged by shallow …