Mechanisms of melt extraction during lower crustal partial melting

MA Etheridge, NR Daczko, T Chapman… - Journal of …, 2021 - Wiley Online Library
Progressive vapour‐absent partial melting of a closed rock system increases melt pressure
due to an expansion in the volume of the mineral plus melt assemblage. For a locally closed …

The role of buoyancy in the fate of ultra-high-pressure eclogite

T Chapman, GL Clarke, NR Daczko - Scientific Reports, 2019 - nature.com
Eclogite facies metamorphism of the lithosphere forms dense mineral assemblages at high-
(1.6–2.4 GPa) to ultra-high-pressure (> 2.4–12 GPa: UHP) conditions that drive slab-pull …

Partial melting of ultrahigh-pressure eclogite by omphacite-breakdown facilitates exhumation of deeply-subducted crust

P Feng, L Wang, M Brown, TE Johnson… - Earth and Planetary …, 2021 - Elsevier
Results from numerical modelling and experimental petrology have led to the hypothesis
that partial melting was important in facilitating exhumation of ultrahigh-pressure (UHP) …

Grain‐scale dependency of metamorphic reaction on crystal plastic strain

T Chapman, GL Clarke, S Piazolo… - Journal of …, 2019 - Wiley Online Library
Abstract The Breaksea Orthogneiss in Fiordland, New Zealand preserves water‐poor
intermediate and mafic igneous rocks that were partially recrystallized to omphacite …

Strain hardening induced by crystal plasticity: A new mechanism for brittle failure in garnets

R Dubosq, DA Schneider, A Camacho… - Earth and Planetary …, 2023 - Elsevier
Garnet is a high-strength mineral stable across a wide range of pressure and temperature
conditions and preserves structures that can consequently be used to understand the …

3D reconstruction of fabric and metamorphic domains in a slice of continental crust involved in the Alpine subduction system: The example of Mt. Mucrone (Sesia …

M Zucali, L Corti, F Delleani, D Zanoni… - International Journal of …, 2020 - Springer
Geological map**, multiscale structural analysis, and estimations of the degree of fabric
evolution and of reaction progress allow the construction of a 3D quantitative model of …

[HTML][HTML] Filling the gap in the UHP metamorphic record of the Liguro-Piemont lower unit: Insights on fluid-mediated formation of atoll garnets

A Maffeis, A Petroccia, S Nerone, F Caso, A Corno… - Lithos, 2025 - Elsevier
This contribution investigates the petrologic evolution of a coesite-glaucophane-bearing
eclogite belonging to the Liguro-Piemont Lower unit of the Western Alps and explores the …

Cryptic evidence for the former presence of lawsonite in blueschist and eclogite

T Chapman, GL Clarke - Journal of Metamorphic Geology, 2021 - Wiley Online Library
Cryptic geochemical indicators of prograde lawsonite breakdown are established in basic
and metasedimentary Eocene blueschist and eclogite in New Caledonia utilizing phase …

Transpressional deformation in the lithospheric mantle beneath the North Anatolian Fault Zone

V Chatzaras, ADJ Lusk, T Chapman, E Aldanmaz… - Tectonophysics, 2021 - Elsevier
We studied mantle xenoliths sampled from two late Miocene volcanic centers located
immediately north of the North Anatolian Fault Zone (NAFZ) in western Turkey. The spinel …