Science ❯ Earth Sciences ❯ Geochemistry

Isotope Analysis

Lunar Soil Samples Metal Deposits Oxygen Molecules Elemental Residue Ruthenium-100 Nickel Isotopes Sulfur Isotopes

Mantle Waves Peel Continental Roots to Feed Ocean Volcanoes, Study Finds

Geochemical evidence from the Indian Ocean points to slow mantle waves that ferry continental fragments beneath newborn oceans.

Sealed Apollo 17 Sample Reveals Exotic Sulfur Signature Unlike Earth’s

Study Confirms 830–820 Ma Origin of Niobium-Rich Carbonatites in Central Australia