Geochemistry – Page 2
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ResearchElectric fields deep in Earth’s mantle helps diamond crystallise
Electrochemical experiments under extreme conditions show diamonds forming from molten carbonate rocks
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NewsRecalibration is the biggest shake-up in the carbon dating world for seven years
Overhaul will improve accuracy and push back how far samples can be dated by 5000 years
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ResearchMineral map hopes to end concrete that has damaged thousands of US homes
Concrete containing pyrrhotite can disintegrate on exposure to air and water
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ResearchMystery of where early Earth’s life-fuelling phosphates came from may have been solved
Meteorites have been source of building blocks for primordial life
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ResearchCrystals reveal the site of the world’s oldest meteorite strike
Mineral chemistry suggests the massive impact 2.3 billion years ago could have made our entire planet much warmer
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ResearchNeanderthals were master fire-starters, cave chemistry suggests
A new study distinguishes chemical traces left by ancient hearth fires from those left by natural wildfires
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ResearchMineral never before seen in nature found inside Australian meteorite
Black-and-red rock that fell to Earth 68 years ago contains iron carbide compound
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ResearchIron in Earth’s magma oceans forged diamonds deep underground
Findings could also explain differences between the atmospheres of different planets
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ResearchUranium isotopes in ancient grains indicate early Earth was less hellish than textbook descriptions
Mass spectrometry technique that works on tiny samples refines understanding of Earth’s first geologic eon
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FeatureWhat is the moon made of?
Mike Sutton looks at what we’ve learned about the moon’s chemistry in the 50 years since Apollo 11
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ResearchHelicopter NMR prepares to detect Arctic oil spills
ExxonMobil-funded project readies giant airborne coil for accidents as shipping lanes open up
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ReviewOrigins: How the Earth Made Us
Lewis Dartnell promises to show how the terrain around us shapes not only the physical space we live in but also the political, economical and evolutionary climates of who we are
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PodcastTalc: Magnesium silicate
Coating your naked body with powdered magnesium silicate may sound strange, but it's an important part of many bathtime rituals
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ResearchStrontium isotope map re-examination casts doubt on bronze age migration theories
New findings could change the way we think about prehistoric peoples
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ResearchMineral surfaces promoted variation in prebiotic RNA
Thermodynamic model probes the entropic cost of enriching RNA strands adsorbed on a surface