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 …

Older orogens cooled slower: new constraints on Orosirian tectonics from garnet diffusion modeling of metamorphic timescales, Jiaobei terrain, North China Craton

Y Zou, Q Li, X Chu, M Zhai, RN Mitchell, L Zhao… - … to Mineralogy and …, 2021 - Springer
Metamorphic timescales harbor crucial information for quantifying lithospheric processes
and identifying tectonic regimes. The Orosirian Period is known for global orogenesis during …

Exhumation rates in the Gran Paradiso Massif (Western Alps) constrained by in situ U–Th–Pb dating of accessory phases (monazite, allanite and xenotime)

P Manzotti, V Bosse, P Pitra, M Robyr, F Schiavi… - … to Mineralogy and …, 2018 - Springer
Exhumation rates for high-pressure metamorphic rocks need to be carefully estimated to
decipher tectonic processes in subduction/collision belts. In the Gran Paradiso Massif …

On exhumation velocities of high-pressure units based on insights from chemical zoning in garnet (Tianshan, NW China)

EM Schwarzenbach, X Zhong, MJ Caddick… - Earth and Planetary …, 2021 - Elsevier
Exhumed high-pressure rocks formed during subduction provide insight into global
geodynamic and plate tectonic processes. Their metamorphic history is partially encoded in …

Garnet microstructures suggest ultra-fast decompression of ultrahigh-pressure rocks

C Luisier, L Tajčmanová, P Yamato, T Duretz - Nature Communications, 2023 - nature.com
Plate tectonics is a key driver of many natural phenomena occurring on Earth, such as
mountain building, climate evolution and natural disasters. How plate tectonics has evolved …

Metamorphic Facies Distribution in the Western Alps Predicted by Petrological‐Thermomechanical Models of Syn‐Convergent Exhumation

JD Vaughan‐Hammon, LG Candioti… - Geochemistry …, 2022 - Wiley Online Library
The distribution of metamorphic rocks throughout the western European Alps indicates
subduction‐related metamorphism. However, processes by which high‐grade metamorphic …

Quantifying diapir ascent velocities in power‐law viscous rock under far‐field stress: Integrating analytical estimates, 3D numerical calculations and geodynamic …

E Macherel, Y Podladchikov, L Räss… - Geochemistry …, 2023 - Wiley Online Library
Diapirism is crucial for heat and mass transfer in many geodynamic processes.
Understanding diapir ascent velocity is vital for assessing its significance in various …

Under pressure: high-pressure metamorphism in the Alps

L Tajčmanová, P Manzotti… - Elements: An …, 2021 - pubs.geoscienceworld.org
The mechanisms attending the burial of crustal material and its exhumation before and
during the Alpine orogeny are controversial. New mechanical models propose local …

Implications of new geological mapping and U‐Pb zircon dating for the Barrovian tectono‐metamorphic evolution of the Lepontine dome (Central European Alps)

A Tagliaferri, FL Schenker, A Ulianov… - Geochemistry …, 2023 - Wiley Online Library
The Barrovian metamorphism of the Lepontine dome is manifested by isograds that cross‐
cut tectonic nappe contacts, which is commonly interpreted as metamorphism that occurred …

Pressure‐to‐depth conversion models for metamorphic rocks: derivation and applications

A Bauville, P Yamato - Geochemistry, Geophysics, Geosystems, 2021 - Wiley Online Library
Pressure‐to‐depth conversion is a crucial step toward geodynamic reconstruction. The most
commonly used pressure‐to‐depth conversion method assumes that pressure corresponds …