A new resource may help match artifacts with their original stone sources—“a really a niche part of archaeology that requires geological expertise.”
geology
Posted inEditors' Vox
High-Definition Imaging of the Subsurface with Cosmic Ray Muons
A new book describes muography, an imaging technique that can be used to visualize the internal density composition of geological structures.
Posted inNews
Good News: Rocks Crack Under Pressure from Mineral CO2 Storage
When carbon mineralizes in stone, each new fracture exposes more surfaces that can react with and trap CO2, enhancing a rock’s storage capacity.
Posted inNews
“Sticky” Ice Sheets May Have Led to More Intense Glacial Cycles
New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.
Posted inFeatures
When Climate Ruled the Dinosaurs of Grand Staircase
Living in Geologic Time: Navigate the prolific boneyards and shifting boundaries of Grand Staircase-Escalante and Bears Ears National Monuments.
Posted inNews
Diamond Discovery Unearths Secrets of the Deep
A diamond inclusion has revealed a new mineral, davemaoite, as well as hints about the workings of our planet’s interior.
Posted inEditors' Highlights
American Legacy Paleosecular Variation Data Unlocked
The geomagnetic field changes regionally on centennial time scales. A recent study unlocks three historical archives from the “Four Corners” region (southwest USA) reconciling previous discrepancies.
Posted inNews
La vida después de una super erupción
Una vez que una erupción volcánica masiva termina, el sistema subyacente puede mantenerse activo por miles de años. Una nueva investigación vislumbra cómo funcionan los ciclos de super erupciones.
Posted inScience Updates
A Simple Recipe for Making the First Continental Crust
Laboratory experiments serendipitously revealed a rock-forming process that might explain how the first continental crust formed on Earth—and possibly on Mars.
Posted inNews
Life After a Supereruption
Once a massive volcanic eruption is finished, the underlying system can remain active for thousands of years. New research illuminates how supereruption cycles work.