Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.
geochemistry
Posted inNews
“Eco-friendly” Flame Retardant May Have Eco-poor Breakdown
These flame retardants replaced earlier chemicals known to degrade into environmentally harmful by-products. The newer compounds may do the same thing.
Posted inResearch Spotlights
A Novel Approach Reveals Element Cycles in the Ocean
Dissolved thorium isotopes light the way to a more thorough understanding of how different elements enter marine environments—and how long they stay there.
Posted inScience Updates
In Search of Life Under the Seafloor
A multinational research team drilled into the seafloor to see whether chemical processes in exposed shallow mantle rocks could generate nutrients to support life in the subsurface.
Posted inFeatures
Interpreting Mosaics of Ocean Biogeochemistry
Advances in technology and modeling capabilities are driving a surge in progress in our understanding of how ocean ecosystems mix and mingle on medium to small scales.
Posted inNews
Extinct Megatoothed Shark May Have Been Warm-Blooded
Preliminary results from a recent study may begin to shed light on why megalodons died out before the most recent ice age.
Posted inResearch Spotlights
Why Trace Metals Cling to the Ocean’s Skin
Metals within the millimeter-thick sea surface microlayer may impact ocean health and climate.
Posted inGeoFIZZ
A Rock Guide to Fireworks
Before a firework was red, it was a strontium salt waiting for its moment.
Posted inNews
Fresh Take on a Gold Treasure’s Origins Using Geochemistry
Blending geoscience and archaeology, researchers apply a new technique to pinpoint where ancient and unique gold artifacts were crafted.
Posted inEditors' Vox
Multiple Choices Exist for Changing Ocean Oxygen Concentrations
Widespread declines in ocean oxygen concentrations are now being reported with authors offering quite different explanations. Which ones are correct?