Subduction of oceanic lithosphere in the Alps: Selective and archetypal from (slow-spreading) oceans

P Agard - Earth-Science Reviews, 2021 - Elsevier
The Alps are amongst the best subduction archives in the world, with abundant blueschists
and eclogites preserving fragments of mantle, gabbros, thinned continental margin and …

[HTML][HTML] Fluid-mediated element cycling in subducted oceanic lithosphere: The orogenic serpentinite perspective

T Pettke, A Bretscher - Earth-Science Reviews, 2022 - Elsevier
Serpentinites are central to water (re) cycling in subduction zones and thus effect fluid-
mediated element transfer between the hydrosphere and the Earth's mantle and back into …

Paleocene‐Eocene High‐Pressure Carbonation of Western Alps Serpentinites: Positive Feedback Between Deformation and CO2‐CH4 Fluid Ingression …

C Herviou, G Bonnet - Geochemistry, Geophysics, Geosystems, 2023 - Wiley Online Library
Meter‐to hectometer‐size horizons of carbonate‐bearing talcschists are found along or near
the contacts between the different Liguro‐Piemont subduction slices. Through mineral and …

A new UHP unit in the Western Alps: First occurrence of coesite from the Monviso Massif (Italy)

S Ghignone, E Scaramuzzo, M Bruno… - American …, 2023 - degruyter.com
Abstract The Western Alps are one of the most studied exhumed subduction-accretionary
complexes worldwide. Ultrahigh-pressure (UHP) metamorphism has been documented …

Tourmaline composition probes serpentinite-derived fluid mobility in subduction zones

JW **ong, YX Chen, A Demény, YF Zheng… - … et Cosmochimica Acta, 2024 - Elsevier
Serpentinite dehydration in subduction zones plays a pivotal role in geochemical cycling on
Earth. A number of geochemical studies on arc magmas have elucidated the contributions of …

Metamorphic olivine records external fluid infiltration during serpentinite dehydration

E Clarke, CJ De Hoog, L Kirstein… - Geochemical …, 2020 - research.ed.ac.uk
The recycling of lithosphere-hosted volatile and fluid-mobile elements (eg, H2O, CO2, B,
halogens) back into the convecting mantle via subduction has been crucial for Earth's …

Raman scattering of omphacite at high pressure: Toward its possible application to elastic geothermobarometry

L Baratelli, M Murri, M Alvaro, M Prencipe… - American …, 2024 - degruyter.com
Due to their widespread occurrence in several geological settings, omphacite inclusions
could be used for elastic Raman geothermobarometry. However, the Raman scattering of …

Along-dip variations of subduction fluids: The 30–80 km depth traverse of the Schistes Lustrés complex (Queyras-Monviso, W. Alps)

C Herviou, A Verlaguet, P Agard, M Locatelli… - Lithos, 2021 - Elsevier
Abstract The Queyras-Monviso traverse of the Schistes Lustrés complex, is a stack of
underplated nappes of oceanic rocks subducted from blueschist-to eclogite-facies …

Exhumation of eclogitic ophiolitic nappes in the W. Alps: New age data and implications for crustal wedge dynamics

S Angiboust, J Glodny - Lithos, 2020 - Elsevier
The W. Alps high pressure ophiolitic terranes (Monviso and Rocciavre areas) are a natural
laboratory to study processes such as nappe-stacking and crustal exhumation in the deep …

Reaction-Induced Porosity in an Eclogite-Facies Vein Selvage (Monviso Ophiolite, W. Alps): Textural Evidence and In Situ Trace Elements and Sr Isotopes in Apatite.

WF Hoover, S Penniston-Dorland, P Piccoli… - Journal of …, 2023 - academic.oup.com
Porosity generated during fluid–rock reaction can facilitate fluid transport and metasomatism
in low permeability high-pressure metamorphic rocks. Evidence for reaction-induced …