Water From a Rain of Dry Pebbles: Hydrogen May Have Made Earth’s Oceans
New experiments show that dry silicate pebbles falling through Earth's hot hydrogen atmosphere could have generated the planet's water through ...
Tag: geochemistry
Ancient Lavas Reveal Earth’s Deep Mantle Slowly Breathed Itself Oxidized
Chromium isotope analysis of 66 ancient volcanic rocks shows Earth's deep mantle became progressively more oxidized from the Archean to ...
Zircon, the ‘Indestructible’ Timekeeper, Begins to Break Down Far Earlier Than Thought
Nanoscale examination of saprolite shows that even crystalline zircon begins to dissolve and reprecipitate as uranium- and thorium-bearing amorphous zircon ...
Antimony and Mercury Isotopes Trace the Deep Roots of China’s Giant Antimony Belt
Coupled antimony and mercury isotope analyses of South China's giant antimony belt reveal that its metal came from both Precambrian ...
Boron Clues Show Carbon Sinks Deep in Hot Subduction Zones
Melt inclusions in arc volcanics from Panama and Japan show heavy boron isotopes indicating that over 60 percent of slab ...
Potato-Sized Clues: Deep-Sea Nodules Reveal Their Metal-Rich Secrets
A detailed study of ferromanganese nodules from the Central Indian Ocean Basin reveals that smaller nodules carry the richest metal ...
Rare Wollastonite-Bearing Rocks in India Reveal a Hidden Subduction Legacy
A detailed mineralogical and geochemical study of the Sendraimalai syenites in Tamil Nadu, India, reveals rare magmatic wollastonite and grossular ...
Scientists Say a Single Number Cannot Describe How Reactivity Varies Across Mineral Surfaces
A team of geochemists and chemists argues in Nature Communications that equilibrium and rate constants at solid-water interfaces should be ...
Diamond-Bearing Carbonatite in India Emerges as a Potential Rare Earth Bonanza
A newly analysed carbonatite plug at Khaderpet in southern India is exceptionally enriched in light rare earth elements and occurs ...
Core X-ray Scanning Gets a Hard-Rock Makeover for Basalt Chemistry
A new workflow adapts X-ray fluorescence core scanning to fractured basalt cores, delivering fast, calibrated, high-resolution chemistry that outperforms traditional ...
-
Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
-
University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
-
Bee body mass, pathogens and local climate influence heat tolerance
-
Researchers record first-ever images and data of a shark experiencing a boat strike
-
Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
Embark on a thrilling journey of discovery with Scienmag.com—your ultimate source for cutting-edge breakthroughs. Immerse yourself in a world where curiosity knows no limits and tomorrow’s possibilities become today’s reality!