Science ❯ Earth Sciences ❯ Geochemistry

Chemical Signatures

Isotope Compositions Niobium Anomaly Geological Barcodes Biomarkers Ancient Rocks Enriched Elements

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.

Rare C31 Chemical Fossils Strengthen Case That Sponges Were Among Earth’s First Animals