The Maira-Sampeyre and Val Grana Allochthons (south Western Alps): review and new data on the tectonometamorphic evolution of the Briançonnais distal margin

A Michard, SM Schmid, A Lahfid, M Ballèvre… - Swiss Journal of …, 2022 - Springer
Here we describe the structure, the high-pressure, low-temperature (HP-LT) metamorphism
and tectonic evolution of the Briançonnais distal margin units from the south Western Alps …

The composition of metapelitic biotite, white mica, and chlorite: a review with implications for solid-solution models

B Dubacq, JB Forshaw - European Journal of Mineralogy, 2024 - ejm.copernicus.org
Biotite, white mica, and chlorite record petrological processes and pressure–temperature
conditions. Unfortunately, their crystal chemistry is complicated and thermodynamic …

Subducted fragments of the Liguro-Piemont ocean, Western Alps: Spatial correlations and offscraping mechanisms during subduction

C Herviou, P Agard, A Plunder, K Mendes, A Verlaguet… - Tectonophysics, 2022 - Elsevier
Fragments of subducted slow-spreading oceanic lithosphere are exposed continuously in
the Liguro-Piemont domain of the Western Alps. By combining new and literature …

Metamorphic reactions and their implication for the fluid budget in metapelites at seismogenic depths in subduction zones

K Rajič, H Raimbourg, C Lerouge, V Famin, B Dubacq… - Tectonophysics, 2023 - Elsevier
In order to determine fluid-mineral reactions and the fluid budget in subduction zones, we
have examined rocks from two accretionary complexes, the Kodiak (Alaska) and Shimanto …

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 step towards unraveling the paleogeographic attribution of pre-Mesozoic basement complexes in the Western Alps based on U–Pb geochronology of Permian …

M Ballèvre, A Camonin, P Manzotti, M Poujol - Swiss Journal of …, 2020 - Springer
Abstract The Briançonnais Domain (Western Alps) represented the thinned continental
margin facing the Piemonte-Liguria Ocean, later shortened during the Alpine orogeny. In the …

Missing lawsonite and aragonite found: PT and fluid composition in meta-marls from the Combin Zone (Western Alps)

P Manzotti, M Ballèvre, P Pitra, F Schiavi - Contributions to Mineralogy and …, 2021 - Springer
We report the first findings of several occurrences of lawsonite and metamorphic aragonite
in the meta-sediments from the Combin Zone (Piemonte–Liguria ocean, Western Alps) …

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 …

Carbonate-silicate interaction in subducting slabs recorded by Zn isotopes in western Alps metasediments

YR Qu, SA Liu, V Busigny, ZZ Wang, FZ Teng - Earth and Planetary Science …, 2023 - Elsevier
Carbonate-silicate interaction within subduction channels influences the chemical and
physical properties of subducting carbon and is crucial to understanding the fate of …

Cycling of CO2 and N2 Along the Hikurangi Subduction Margin, New Zealand: An Integrated Geological, Theoretical, and Isotopic Approach

GS Epstein, GE Bebout, BW Christenson… - Geochemistry …, 2021 - Wiley Online Library
We present a quantitative assessment of the input and output of CO2 and N2 along the
Hikurangi margin based on the chemical and stable isotope composition of sediments and …