Sediment cores from northwestern China reveal freezing conditions during the Late Triassic killed off many forms of life—but not dinosaurs.
sediments
Posted inResearch Spotlights
Bangladeshis Feel Increased Consequences of Sedimentation
In northern Bangladesh, residents are losing their livelihoods, homes, and personal safety when water carries sand and gravel into their communities.
Posted inNews
River Floods Can Trigger Powerful Underwater Landslides
A record-length turbidity current triggered by river flooding has revealed a new link between the surface and the deep sea.
Posted inEditors' Highlights
Searching for Earth’s Oldest Rocks in its Youngest Deposits
By sampling and analyzing zircons from glacial eskers dating from about 20,000 years ago, the extent of the oldest known rocks on Earth can be better mapped and constrained.
Posted inEditors' Highlights
A Unique Glimpse at Sediment Erosion and Deposition by Wind
The Lut Desert in Iran is an exceptional natural laboratory to study how wind moves sediment across the landscape. A new study quantifies erosional and depositional sediment fluxes of the desert.
Posted inResearch Spotlights
Atmospheric Rivers Help Coastal Wetlands Build Up Sediment
Accounting for these storms and flooding can help experts predict and respond to rising sea levels.
Posted inNews
Satellites Show Magnitude of Human Influence on River Sediment Flux
Dam-building has decreased the amount of sediment transported by rivers, while land use changes have increased the amount.
Posted inNews
Zhurong Rover Spots Evidence of Recent Liquid Water on Mars
The Chinese rover identified hydrated minerals—likely associated with groundwater—in sediments dating to the Red Planet’s most recent geologic period.
Posted inEditors' Highlights
Time-Step Filtering in Holocene Global Magnetic Field Models
Through a local fixed time-step filter, global Holocene magnetic field models remain mathematically tractable refining our insight into field variability and improving archeological dating.
Posted inEditors' Highlights
Unlocking Ultra-High-Resolution Paleothermometry from Sediments
Mass spectrometric imaging techniques used to extract micron-scale organic paleothermometry signatures from Arabian Sea sediments show that they skillfully reflect observations.