A 100-million-year-old volcanic arc in Iran holds clues to the history of a vanished ocean…
Browsing: Geochemistry
Geochemistry is the scientific study of the Earth’s chemical composition and processes, integrating principles from chemistry, geology, and physics to understand the mechanisms behind the distribution and interaction of chemical elements within the Earth’s crust, mantle, atmosphere, and oceans. This field explores topics ranging from the formation of minerals and rocks to the behavior of elements at high pressures and temperatures within the Earth. Geochemistry also plays a crucial role in studying the cycling of elements and their isotopes through Earth’s systems, which helps in understanding past climates, biogeochemical cycles, and the formation of natural resources. Moreover, it provides insights into environmental issues such as pollution and resource management. Applied geochemistry is used in the exploration of mineral and hydrocarbon resources, and in assessing environmental contamination and remediation strategies. The field has expanded to include the study of other planets, contributing to planetary science and the search for life beyond Earth.
Ancient South African rocks reveal how phosphorus recycling may have helped Earth hold onto oxygen…
Dinosaurs and their prey likely ate seaweed, which may help explain the unusually high carbon…
Earth and Mars may have formed through different mixtures of planetary building processes, despite developing…
A study led by Yale provides the first chemical evidence that gas began sorting the…
Scientists are narrowing down the type of space rock that caused the mass extinction at…
Chang’e-6 samples suggest the Moon’s two very different sides may have formed when uneven heating…
Carbon released by the Industrial Revolution has left a chemical fingerprint nearly everywhere scientists looked…
A key geological clue to a global disruption in Earth’s ancient carbon cycle may have…
Researchers used quartz from fossilized wood to trace how Europe developed. A polished piece of…
Earth may have been recycling surface water through its deep interior more than three billion…
Mount Etna’s past eruptions reveal that a single volcano can erupt through very different underground…
Researchers found that ancient rocks beneath Canada are naturally generating and releasing hydrogen gas over…
Researchers have applied a temperature proxy to exceptionally well-preserved fossil phytoplankton for the first time.…
Deep beneath island arcs, new research suggests that gold enrichment originates from repeated, high-degree melting…
A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet…
Decades after being sealed away, Apollo-era lunar samples are revealing unexpected chemical signatures that challenge…
Unusual potassium isotope signatures in Chang’e-6 lunar samples point to extreme conditions created by the…