Some thoughts about eclogites and related rocks

M Brown - European Journal of Mineralogy, 2023 - ejm.copernicus.org
The past 40 years have been a golden age for eclogite studies, supported by an ever wider
range of instrumentation and enhanced computational capabilities, linked with ongoing …

Fluid–mineral interactions: controlling coupled mechanisms of reaction, mass transfer and deformation

A Putnis - Journal of Petrology, 2021 - academic.oup.com
Fluid–rock interaction has profound effects on the dynamics of the lithosphere. This
Perspectives article describes the catalytic effects of water on the kinetics of mineral …

[HTML][HTML] Metamorphism and its bearing on geosystems

RM Palin - Geosystems and Geoenvironment, 2022 - Elsevier
The Earth is a dynamic, ever-changing planet, and there exist many feedbacks and cycles
that operate within and between its subsystems. Interactions between processes operating …

Reactive fluid flow guided by grain-scale equilibrium reactions during eclogitization of dry crustal rocks

S Zertani, T John, C Brachmann, JC Vrijmoed… - … to Mineralogy and …, 2022 - Springer
Fluid flow in crystalline rocks in the absence of fractures or ductile shear zones dominantly
occurs by grain boundary diffusion, as it is faster than volume diffusion. It is, however …

The quartz α↔ β phase transition: Does it drive damage and reaction in continental crust?

SE Johnson, WJ Song, AC Cook, SS Vel… - Earth and Planetary …, 2021 - Elsevier
The α↔ β phase transition in quartz is accompanied by relatively large, anisotropic changes
in cell volume and elastic stiffness properties. Because quartz is among the most abundant …

[HTML][HTML] Protracted localization of metamorphism and deformation in a heterogeneous lower-crustal shear zone

S Zertani, L Menegon, G Pennacchioni… - Journal of Structural …, 2023 - Elsevier
Deformation of the continental crust is influenced by the pre-existing structural framework,
fluid availability, strain rate, and pressure-temperature conditions. We investigate the …

Widening of hydrous shear zones during incipient eclogitization of metastable dry and rigid lower crust—Holsnøy, western Norway

L Kaatz, S Zertani, E Moulas, T John, L Labrousse… - …, 2021 - Wiley Online Library
The partially eclogitized crustal rocks on Holsnøy in the Bergen Arcs, Norway, indicate that
eclogitization is caused by the interplay of brittle and ductile deformation promoted by fluid …

Energy partitioning, dynamic fragmentation, and off‐fault damage in the earthquake source volume

SE Johnson, WJ Song, SS Vel… - … Research: Solid Earth, 2021 - Wiley Online Library
Seismological fracture or breakdown energy represents energy expended in a volume
surrounding the advancing rupture front and the slipping fault surface. Estimates are …

Dynamic pressure variations in the lower crust caused by localized fluid-induced weakening

E Moulas, B Kaus, B Jamtveit - Communications Earth & Environment, 2022 - nature.com
Metamorphism of dry, lower crust within orogens is often localized in shear zones composed
of mechanically weaker rocks,,–. Several field-based studies suggest shear zone …

Preservation of granulite in a partially eclogitized terrane: Metastable phenomena or local pressure variations?

A Putnis, J Moore, AM Prent, A Beinlich, H Austrheim - Lithos, 2021 - Elsevier
Granulite is preserved over large areas of partially eclogitized and hydrated rocks on
Holsnøy, Bergen Arcs, Norway. The interfaces between granulite and eclogite are sharp on …