Data from the Perseverance rover indicate abundant carbonates in Jezero Crater, a finding with implications for Mars’s climatic history.
carbonates
Posted inNews
Acidifying Seas Are Wearing Away at Underwater Archaeology
Marble, limestone, and other carbonate rocks used throughout antiquity could start dissolving as oceans soak up more carbon dioxide.
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Rocks Formed by Microbes Absorb Carbon Day and Night
Microbialite ecosystems in South Africa stored an “astonishing” amount of carbon, according to new research.
Posted inEditors' Highlights
Unexpected Carbonate Phase Revealed by Advanced Simulations
Advanced simulations reveal a new calcium carbonate phase whose unusual elastic behavior may explain puzzling seismic and electrical anomalies beneath ancient continents.
Posted inEditors' Vox
Erosion: An Overlooked Contributor to the Carbon Cycle
Since physical and chemical erosion yield comparable carbon fluxes, studying both together is essential to avoid biases in erosion-driven carbon flux estimates.
Posted inEditors' Highlights
Unlocking Earth’s Terrestrial Sedimentary Record with Paleosols
Harnessing the micro-stratigraphy of pedogenic carbonates, scientists have demonstrated that age determination of fossil soils is possible via uranium-lead dating.
Posted inOpinions
A Transformative Carbon Sink in the Ocean?
Water-rock reactions in some hydrothermal systems produce both hydrogen, which could be tapped for clean energy, and alkaline solutions that could help draw down atmospheric carbon dioxide.
Posted inResearch Spotlights
Optimizing Carbonate Classification on Mars
Combining data from several of the Perseverance rover’s spectroscopic sensors offers a more accurate means to classify carbonate minerals that may hold hints of ancient life.
Posted inEditors' Highlights
Why is the North China Craton Vulnerable to Destruction?
A new study suggests that carbonatite metasomatism, not silicate metasomatism as previously thought, was dominant prior to the removal of the North China Craton in the early Cretaceous.
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A Mysterious Dome Reveals Clues to Australia’s Miocene History
The Nullarbor Plain has been relatively untouched by geological forces, leaving traces of the continent’s deep past.