All Geochemistry articles
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Research
Ocean lithium concentrations declined sevenfold over 150 million years
The concentration of lithium in seawater, previously assumed constant, could be related to geologic and climate effects
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Research
Lithium discovery in US volcano could be biggest deposit ever found
Find could point to new ways to prospect for material in high demand for batteries.
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Feature
The hunt for natural hydrogen reserves
For a long time, nobody thought there could be large quantities of the gas underground. Anna Demming talks to the people proving otherwise
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Research
First high-pressure synthesis of iron polymorph found at centre of Earth
Recreation of ε-iron backs up theories on why seismic waves travel faster pole-to-pole following an earthquake
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News
The subterranean chemistry that explains India’s groundwater contamination
Complex interplay of factors has led to elevated levels of arsenic, uranium and fluoride in drinking water, making the country’s poorest citizens sick
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Research
Benin bronzes are made of German brass
Discovery casts new light on the west African artworks, which Nigeria has asked colonial countries to return
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Research
Zircon study prompts redox state rethink surrounding hydrothermal pools thought to harbour life’s first molecules
Research combining experiments with modelling suggests hydrothermal fluid was 30% as saline as sea water today and more oxidised than the surrounding mantle
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Feature
Soil searching
Rachel Brazil talks to the scientists trying to understand – and improve – the health of the planet’s soil
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Research
Perseverance rover reveals rocks on Mars were repeatedly exposed to liquid water
Suite of analytical tools provides new insight into red planet’s geochemistry
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Opinion
James Lovelock, a gentleman scientist
Philip Ball reflects on the legacy of the creator of the Gaia hypothesis, who has died aged 103
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Research
Radiation discovered to be a major overlooked source of natural gas generation in shales
Uranium and thorium may be responsible for producing a significant portion of hydrocarbons in some fracking wells
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Feature
The secrets of the sulfur cycle
There’s still a lot we don’t know about the biogeochemical cycling of sulfur, and this could impact our ability to correctly model the climate. Rachel Brazil talks to the researchers trying to fill in the gaps.
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Feature
Drilling deep to discover the secrets of the mantle
Nina Notman hears from the scientists trying to pierce the Earth’s crust below the seafloor to learn more about our home planet
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Research
Chemical definition of brine as water could help clear up Chile’s lithium controversy
As evidence grows that lithium mining damages water sources, reclassifying brine as water – rather than as mineral – could empower Indigenous communities to protect their rights and convince mining companies to act more responsibly
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Research
Oldest human-made quasicrystal discovered in remains of first nuclear blast
Almost 76 years ago, US scientists set off the first nuclear bomb – and accidentally created the first synthetic quasicrystal
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Research
A glimpse at alien volcanoes that spew metal
Hypothetical ferrovolcanoes explored with world’s only lava flow simulator
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Opinion
Volunteers are keeping a vigilant eye on volcanoes in the West Indies
Community monitoring of seismic activity
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Feature
Marking the Anthropocene
The idea that we’re in a human-influenced geological epoch is gaining traction, but how will future geologists measure it? Rachel Brazil finds out
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Research
Electric 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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