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 …

Cross-propagation of the western Alpine orogen from early to late deformation stages: Evidence from the Internal Zones and implications for restoration

T Dumont, S Schwartz, S Guillot, M Malusa… - Earth-Science …, 2022 - Elsevier
The internal zones of the Western Alps arc are derived from an oceanic and continental
subduction wedge developed beneath the Adria plate during its paleogene northward drift …

Protracted Subduction of the European Hyperextended Margin Revealed by Rutile U‐Pb Geochronology Across the Dora‐Maira Massif (Western Alps)

G Bonnet, C Chopin, M Locatelli… - …, 2022 - Wiley Online Library
Abstract The Dora‐Maira massif is an archetypal nappe stack of subducted and exhumed
upper crust. Slices of continental crust experienced metamorphism at upper blueschist to …

A window into an older orogenic cycle: P–T conditions and timing of the pre‐Alpine history of the Dora‐Maira Massif (Western Alps)

F Nosenzo, P Manzotti, M Poujol… - Journal of …, 2022 - Wiley Online Library
Deciphering the pre‐orogenic evolution of subducted continental basement is challenging
due to pervasive reworking of crust during subduction and exhumation. Survival of such …

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) …

[HTML][HTML] H2O budget and metamorphic re-equilibration in polycyclic rocks as recorded by garnet textures and chemistry

F Nosenzo, P Manzotti, M Robyr - Lithos, 2023 - Elsevier
Massive dehydration is expected to occur during oceanic subduction. The situation is quite
different during continental subduction, where often a large amount of crustal material has …

Mimicking Alpine thrusts by passive deformation of synsedimentary normal faults: A record of the Jurassic extension of the European margin (Mont Fort nappe …

A Pantet, JL Epard, H Masson - Swiss Journal of Geosciences, 2020 - Springer
Abstract The Mont Fort nappe, former uppermost subunit of the Grand St-Bernard nappe
system, is an independent tectonic unit with specific structural and stratigraphic …

A journey towards the forbidden zone: a new, cold, UHP unit in the Dora-Maira Massif (Western Alps)

P Manzotti, F Schiavi, F Nosenzo, P Pitra… - … to Mineralogy and …, 2022 - Springer
The distribution of ultrahigh-pressure metamorphism (UHP) at the scale of a mountain belt is
of prime importance for deciphering its past subduction history. In the Western Alps, coesite …

Structural and metamorphic evolution of a subducted passive margin: insights from the Briançonnais nappes of the Western Alps (Ubaye–Maira valleys, France–Italy)

D Dana, S Iaccarino, SM Schmid, A Petroccia… - Swiss Journal of …, 2023 - Springer
This contribution analyses the structural architecture and tectono-metamorphic evolution of
Briançonnais units in the southern French-Italian Western Alps. The studied area extends …

From divergent to convergent plate boundary: A ca. 200 Ma Wilson cycle recorded by ultrahigh-pressure eclogites in the Dora-Maira Massif, Western Alps

X Chen, HP Schertl, C Chopin, C Lin, H Lin, H Li… - …, 2024 - pubs.geoscienceworld.org
Sparse eclogite exposure in accretionary-to-collisional orogens cannot only reveal the sites
of ancient subduction zones and plate boundaries, but also elucidate the multi-stage …