Framed Print of Topographic view of North America

This image of North America was generated with data from the Shuttle Radar Topography Mission (SRTM). Active tectonics (structural deformation of the Earths crust) along and near the Pacific, North American plate boundary creates the great topographic relief seen along the Pacific coast. Earths crustal plates converge in southern Mexico and in the northwest United States, melting the crust and producing volcanic cones. Along the California coast, the plates are sliding laterally past each other, producing a pattern of slices within the San Andreas fault system. And, where the plates are diverging, the crust appears torn apart as one huge tear along the Gulf of California (northwest Mexico), and as the several fractures comprising the Basin and Range province (in and around Nevada). Across the Great Plains, erosional patterns dominate, with streams channels surrounding and penetrating the remnants of older smooth slopes east of the Rocky Mountains. This same erosion process is exposing the bedrock structural patterns of the Black Hills in South Dakota and the Ozark Mountains in Arkansas. Lateral erosion and sediment deposition by the Mississippi River has produced the flatlands of the lower Mississippi Valley and the Mississippi Delta. To the north, evidence of the glaciers of the last ice age is widely found, particularly east of the Canadian Rocky Mountains and around the Great Lakes. Stocktrek Images specializes in Astronomy, Dinosaurs, Medical, Military Forces, Ocean Life, & Sci-Fi. © Stocktrek Images

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Media ID 13063817

America Canada Continent Earth Science Geography Geophysics Geoscience Land Feature Landform North America Relief Map Topography United States