Science ❯ Earth Sciences ❯ Geochemistry

Isotope Geochemistry

Potassium Isotopes Lunar Soil Analysis Ruthenium Isotopes Volatile Elements Oxygen Isotopes Nitrogen Isotopes Noble Gas Studies Strontium Isotopes Thallium Isotopes Osmium Isotopes Pb-Pb Dating Potassium Signatures Lithium Isotopes Carbon Cycle

Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

Triple-oxygen isotope fingerprints in Apollo regolith isolate impactor material to set limits that Artemis-era samples can refine.

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

MIT Team Finds Potassium-40 Anomaly That Points to Surviving Proto‑Earth Mantle

Study Confirms Earth's Core Leaks Gold and Precious Metals Into Mantle