The stable isotope character of the Earth's mantle–A review

DA Ionov, J Hoefs, R Harmon - Chemical Geology, 2024 - Elsevier
This review describes the stable isotope character of the Earth's mantle, the 2900 km thick
silicate layer between the core and crust that comprises 67% of the Earth's mass and 84% of …

[HTML][HTML] Spatial controls on the generation of low-δ18O basalts on São Miguel, Azores

BS Ellis, A Pimentel, C Harris, EA Cortes-Calderon… - Lithos, 2024 - Elsevier
Volcanism in the Azores is generally accepted to result from the decompression melting in
the upper mantle associated with the Azorean plume. Basalts on the island of São Miguel …

Heavy iron isotopes reveal mantle oxidation in addition to pyroxenite sources for intraplate basalts

TH Wu, SA Liu - Chemical Geology, 2024 - Elsevier
The heavier iron isotopic composition of some oceanic island basalts (OIB) relative to
primary mid-ocean ridge basalts (MORB) has commonly been interpreted to reflect the …

Lithology of EM1 reservoir revealed by Fe isotopes of continental potassic basalts

JH Shi, G Zeng, LH Chen, XJ Wang… - Journal of …, 2023 - Wiley Online Library
The origin of EM1 (Enriched Mantle 1) reservoir, initially defined by the ocean island basalts
(OIBs) with extremely low 143Nd/144Nd and 206Pb/204Pb, has been long debated …

Calcium isotope variability among ocean islands reveals the physical and lithological controls on mantle partial melting

ZT Eriksen, SB Jacobsen, JMD Day… - … et Cosmochimica Acta, 2024 - Elsevier
Major geodynamic processes, including mantle convection and plate tectonics, govern the
exchange of mass between Earth's interior and its surface. These processes drive mass …

[HTML][HTML] The isotopic origin of Lord Howe Island reveals secondary mantle plume twinning in the Tasman Sea

A Rogers, M Flanigan, O Nebel, Y Nebel-Jacobsen… - Chemical …, 2023 - Elsevier
Thermochemical convective instabilities in the mantle, often referred to as mantle plumes,
cause mantle melting that give rise to ocean island basalts (OIB) in intraplate settings. The …

Exploring the composition and mineralogy of the mantle with stable isotopes and machine learning

Z Eriksen - 2023 - search.proquest.com
Since its origin more than 4.5 billion years ago, the Earth has undergone a dynamic
evolution driven by the slow cooling of its interior. Two-way mass exchange between its …