Mineral compositions from numerous volcanic rocks that sample the mantle keel beneath Western Australia’s Kimberley Craton reveal the temperature and mineralogy that explain its long-lived stability.
Earth's mantle
Posted inNews
Meteor Impact Site Holds 200-Million-Year-Old Atmospheric Snapshot
Minerals formed in short-lived hydrothermal systems set off by a meteor impact in France preserved information about noble gases in the ancient atmosphere.
Posted inEditors' Highlights
Illuminating the Complex Structural Fabric Beneath the European Alps
A new study investigates the dynamics of the complex continental collision that formed the European Alps and reveals how structural alignments change with depth.
Posted inResearch Spotlights
Exploring the Mantle Through Microseisms
A new method for examining the tiny vibrations of Earth caused by ocean swells could help reveal details of deep-Earth structure.
Posted inEditors' Highlights
Uncovering Mantle Heterogeneities Beneath Drifting Continents
Computational models of the composition and volumes of magmas during continental rifting evolution provide clues on the heterogeneities of the deep melting mantle.
Posted inEditors' Highlights
Pliocene Conveyer Belt in the Pacific
Ocean Drilling Program cores and helium isotopes put better constraints on the ocean circulation in the north Pacific.
Posted inEditors' Vox
Digging Deep into Interactions Between the Core and Mantle
A new book presents major advances in our understanding of core-mantle interaction and co-evolution, and showcases technological developments improving our insights into deep Earth processes.
Posted inNews
Mounds of Ancient Ocean Floor May Be Hiding Deep in Earth
A mysterious seismic feature at the bottom of Earth’s mantle is more widespread than previously thought.
Posted inEditors' Highlights
The Depleted Mantle Merry-Go-Round
Abyssal peridotites show through their isotopic composition a complex history. From differences we can infer the existence of ultra depleted mantle and an uneven contribution to ridge magmatism.
Posted inEditors' Highlights
Can Anelastic Attenuation of Oceanic Mantle be Reliably Measured?
A new study demonstrates that robust anelastic attenuation measurements can be made across ocean bottom seismic arrays at different locations using surface wave array analysis.