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Sediment Movement

All articles tagged with #sediment movement

science1 year ago•3 min saved

Massive Sections of North Sea Seafloor Discovered Upside Down, Shaking Earth Science

Scientists have discovered large sections of the North Sea seafloor are flipped upside down due to a rare geological process called stratigraphic inversion, involving dense sand layers sinking into lighter sediments, which could impact understanding of subsurface stability and fluid migration. The process, estimated to have occurred around 5.3 million years ago, was revealed through seismic imaging and may influence future geological and climate-related engineering projects.

via Indian Defence Review|

#geology #north-sea #science

science-and-technology3 years ago•3 min saved

100 Million Years of Earth History Animated in Unprecedented Detail

New animations of Earth's surface over the past 100 million years show the rise of mountains, development of basins, and transport of sediments through erosion. The animations depict the movements of tectonic plates and other forces shaping the surface, such as precipitation and weathering. The model provides a new way to understand the Earth's surface and ask questions about everything from climate regulation to the ways the circulation of the atmosphere affects erosion on land. The researchers found that the rate of sediment movement across the globe was likely much larger than previously believed, and the model could be used to test hypotheses regarding the origin of life on Earth.

via Yahoo Life|

#earth-history #erosion #geology