La meteorización de los primeros continentes podría haber puesto en marcha la formación de cratones, las raíces inmutables de los continentes.
erosion & weathering
Posted inNews
Waves May Be Crashing on Titan’s Shores
A new study suggests that wind-driven waves could be sculpting the coastlines of the lakes and seas on Saturn’s largest moon.
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Radioactive Sediments May Have Built Earth’s Cratons
Weathering of the earliest continents could have set in motion the formation of cratons, the immutable roots of continents.
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Agricultural Lands Are Losing Topsoil—Here’s How Bad It Could Get
A new study says topsoil erosion is likely to increase under climate change, though policy changes now could help stem the loss.
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Sand’s Role in Rerouting Meandering Rivers Is Bigger Than We Thought
Researchers delve into the dirt causing rivers to migrate.
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Middle-of-the-Road Mountains Form the Best Carbon Sinks
Silicate rock weathering has a sweet spot: erosion that isn’t too fast or too slow.
Posted inResearch Spotlights
A Better Way to Predict Arctic Riverbank Erosion
Permafrost thaw might cause Arctic riverbanks to erode more quickly. But a new study shows why these erosion rates aren’t as dramatic as some scientists feared.
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Mars as a Driver of Deep-Sea Erosion
An analysis of breaks in deep-sea sediment links the geological record to a 2.4-million-year cycle that heats Earth and ventilates our oceans.
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Sea Otters’ Appetite for Crab Is Helping Strengthen Estuary Banks
Apex predators can have a powerful impact on coastal erosion rates by keeping grazer populations down, but their influence has been largely overlooked.
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Last Chance Lake Harbors the Highest Known Levels of Phosphate
Bodies of water such as this might have functioned as cradles of life, given their unique biogeochemistry.