All articles tagged with #canyon formation
New research suggests Hells Canyon, North America's deepest gorge, formed about 2.1 million years ago due to a flood event that diverted water from Lake Idaho, carving the canyon rapidly. The study used cave sediment analysis and isotope dating to determine the canyon's age, revealing it is younger than previously thought and providing insights into the dynamic landscape of the southwestern U.S.
Recent research indicates that Hells Canyon, North America's deepest gorge, is only about 2.1 million years old, having been carved by a major drainage capture event involving the Snake River around that time, with evidence derived from cave sediment dating and river profile analysis.
A new research paper published in Science Advances presents a new model for the development of the Yangtze River. The study suggests that changes in the size of the Yangtze River watershed, along with the capture of ancient lake basins, may have led to the carving of deep canyons. The research indicates that the expansion of the watershed and increased erosive power drove accelerated incision during the Late Miocene. The findings also suggest that eastern Tibet was elevated prior to approximately 15 million years ago, and the timing of fluvial incision may be out of phase with the growth of plateau topography.