Heterogeneity and anisotropy in the lithospheric mantle

A Tommasi, A Vauchez - Tectonophysics, 2015 - Elsevier
The lithospheric mantle is intrinsically heterogeneous and anisotropic. These two properties
govern the repartition of deformation, controlling intraplate strain localization and …

[HTML][HTML] The cadmium and zinc isotope compositions of the silicate Earth–Implications for terrestrial volatile accretion

H Pickard, E Palk, M Schönbächler, RET Moore… - … et Cosmochimica Acta, 2022 - Elsevier
Zinc and Cd isotope compositions are presented for a comprehensive suite of terrestrial
rocks to constrain the extent of Zn and Cd isotope fractionation during igneous processes …

[HTML][HTML] Textural and chemical variations in peridotite induced by hydrous melt migration in mantle under the back-arc spreading

A Harano, K Michibayashi - Lithos, 2024 - Elsevier
This study presents the structural and petrological characteristics of mantle peridotites in
relation to the rock-hydrous melt reaction found in the Hayachine ultramafic complex, NE …

Deformation, hydration, and anisotropy of the lithospheric mantle in an active rift: Constraints from mantle xenoliths from the North Tanzanian Divergence of the East …

V Baptiste, A Tommasi, A Vauchez, S Demouchy… - Tectonophysics, 2015 - Elsevier
We have analyzed the microstructures and crystal preferred orientations (CPO), and
calculated the seismic properties of 53 mantle xenoliths from four localities within the North …

Wide-angle seismic reflections reveal a lithosphere-asthenosphere boundary zone in the subducting Pacific Plate, New Zealand

P Herath, TA Stern, MK Savage, D Bassett… - Science …, 2022 - science.org
New wide-angle seismic reflection data from offshore New Zealand show that the
lithosphere-asthenosphere boundary (LAB) is more structured than previously thought …

Gneiss domes, vertical and horizontal mass transfer, and the initiation of extension in the hot lower-crustal root of a continental arc, Fiordland, New Zealand

KA Klepeis, J Schwartz, H Stowell… - Lithosphere, 2016 - pubs.geoscienceworld.org
Structural analyses and sensitive high-resolution ion microprobe–reverse geometry
(SHRIMP-RG) zircon 206Pb/238U dates reveal the tectonic evolution of the deep (40–65 …

Frozen melt–rock reaction in a peridotite xenolith from sub-arc mantle recorded by diffusion of trace elements and water in olivine

PME Tollan, HSC O'Neill, J Hermann… - Earth and Planetary …, 2015 - Elsevier
Inferring the ambient state of the lithospheric mantle from xenoliths may be misleading if the
magmatic activity responsible for the exhumation has modified the xenolith. Changes due to …

Reaction infiltration instabilities in experiments on partially molten mantle rocks

M Pec, BK Holtzman, M Zimmerman… - …, 2015 - pubs.geoscienceworld.org
To investigate channelization of a reactive melt in mantle rocks, we imposed a gradient in
fluid pressure across a partially molten rock composed of olivine and clinopyroxene …

Hydration state and rheologic stratification of the lithospheric mantle beneath the North Anatolian fault, Turkey

AD Lusk, V Chatzaras, E Aldanmaz… - Geochemistry …, 2023 - Wiley Online Library
We present constraints on the hydration state and rheology of the lithospheric mantle
beneath the North Anatolian fault zone (NAFZ). Peridotite xenoliths from the Biyikali and …

Lithosphere tearing along STEP faults and synkinematic formation of lherzolite and wehrlite in the shallow subcontinental mantle

K Hidas, CJ Garrido, G Booth-Rea, C Marchesi… - Solid Earth, 2019 - se.copernicus.org
Subduction-transform edge propagator (STEP) faults are the locus of continual lithospheric
tearing at slab edges, resulting in sharp changes in the lithospheric and crustal thickness …