Barium isotope behavior during interaction between serpentinite-derived fluids and metamorphic rocks in the continental subduction zone

A Chen, YX Chen, X Gu, Z Zeng, Z Xiao… - … et Cosmochimica Acta, 2023 - Elsevier
Serpentinites in subduction zones are important fluid reservoirs for crust-mantle interaction
and arc magma formation. The serpentinite-derived fluids can carry fluid-mobile elements …

Ghost-arc geochemical anomaly at a spreading ridge caused by supersized flat subduction

GM Gianni, J Likerman, CR Navarrete… - Nature …, 2023 - nature.com
Abstract The Southern Atlantic-Southwest Indian ridges (SASWIR) host mid-ocean ridge
basalts with a residual subduction-related geochemical fingerprint (ie, a ghost-arc signature) …

Deciphering contribution of recycled altered oceanic crust to arc magmas using Ba‐Sr‐Nd isotopes

Y Zhang, Y Shu, S Turner, Z Chen… - … Research: Solid Earth, 2024 - Wiley Online Library
Altered oceanic crust (AOC) plays a critical role in geochemical recycling in subduction
zones. However, identifying contributions of subducted AOC to arc magmas remains a …

First-principles calculations of equilibrium barium isotope fractionation among silicate minerals

X Zi-Cong, W Wen-Zhong, G Xiao-Feng… - … et Cosmochimica Acta, 2023 - Elsevier
Barium isotopes have been increasingly applied to trace igneous processes, but the
applications are hindered by the lack of equilibrium Ba isotope fractionation factors between …

Rubidium isotopic fractionation during magmatic processes and the composition of the bulk silicate Earth

B Wang, F Moynier, MG Jackson, F Huang, X Hu… - … et Cosmochimica Acta, 2023 - Elsevier
Rubidium is a moderately volatile element with high incompatibility and fluid mobility. Its
stable isotopes have great potential in tracing various geological processes. For example …

Effect of terrestrial weathering on stable Sr and Ba isotope compositions of eucrites

C Nie, JT Kang, Y Jiang, SJ Wang, F Huang… - … et Cosmochimica Acta, 2024 - Elsevier
Stable strontium and barium isotopes are potential tracers for understanding planetary
differentiation and the nature of the building blocks of terrestrial planets. Strontium and …

Barium isotope variation during fluid–rock interaction at forearc depths: Evidence from high-pressure fluid–metasomatized rocks in the Eastern Alps

XL Li, YX Chen, A Demény, XF Gu, JW Xiong, F Huang… - Lithos, 2024 - Elsevier
As a highly fluid mobile element, barium (Ba) and its isotopes are excellent tracers for fluid
associated processes in subduction zones. However, the behavior of Ba isotopes during …

Ba-Mg isotopic evidence from an OIB-type diabase for a big mantle wedge beneath East Asia in the Early Cretaceous

DS Jiang, XS Xu, S Erdmann, GX Deng, XJ Wang… - Chemical …, 2024 - Elsevier
Abstract Beneath Eastern Asia, the world's spatially most extensive, and possibly extremely
long-lived big mantle wedge (BMW) occurs, formed by the Izanagi-Pacific slab residing in …

Barium isotope compositions of altered oceanic crust from the IODP Site 1256 at the East Pacific rise

XY Nan, F Wu, HM Yu, JT Kang, YJ Gao, F Huang - Chemical Geology, 2023 - Elsevier
This study reports barium (Ba) isotope compositions of intact altered oceanic crust (AOC)
recovered from Integrated Ocean Drilling Program (IODP) Site 1256, East Pacific Rise …

[PDF][PDF] A fresh look at the mantle sources of low-degree mantle-derived melts using K and Ba isotopes

O Elazar, DG Pearson, F Moynier, Y Hu… - International …, 2014 - ikcabstracts.com
Mantle-derived, low-degree melts, such as kimberlites, carbonate-rich olivine lamproites
(CROLS), and cratonic olivine lamproites, are the main carriers of diamonds. They are rare …