Advances in remote sensing offered an opportunity to redraw Greenland’s geologic map for the first time in 15 years.
geology
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What’s Next for the Anthropocene?
Researchers weigh in on the meaning and aftermath of the decision to reject designating “Anthropocene” as an official geological epoch.
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From First Continents to Fancy Countertops
A new study suggests melting gabbros may have helped form Earth’s first continents, riling a long-standing debate.
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Giant Impacts Might Have Triggered Snowball Earth Events
Running into the right space rock at the right time may have been enough to tip Earth into a runaway cold spell.
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A Long-Lost Tropical Island Lies Off Brazil’s Coast
An undersea volcanic plateau in the southwestern Atlantic was a tropical island 45 million years ago.
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Volcanic Lightning May Have Retooled the Nitrogen Needed for Life
Early Earth’s volcanoes could have spurred lightning that transformed atmospheric nitrogen, creating molecules that would have been necessary for life to emerge.
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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.
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Law and Order for Friction and Faults: One Law to Rule Them All
Faults are made of complex materials with complex behaviors, and having a single model that can predict these behaviors is an advance in understanding deformation and the earthquake cycle.
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Sandy Fingerprints Trace Supply Sources
Geological forensics can trace raw materials back to their source. As global sand demand increases, a new tool could help identify illegal and informal sand mining.
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Quartz-Gobbling Worms Are Weathering Earth’s Soils
New research in mineral weathering shows that earthworms may be an important contributor to Earth’s weathering cycle.