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Akademický článek

Multifaceted orogenic fluid dynamics unraveled by hydrothermal epidote

Autor: V. Peverelli, A. Berger, M. Wille, T. Pettke, B. Putlitz, A. Mulch, E. Gnos, M. Herwegh

Publikováno v: European Journal of Mineralogy, Vol 36, Pp 879-898 (2024)

Characterizing fluid circulation in orogens is key to understanding orogenic processes because fluid–rock interaction modifies the physical properties of rocks, hence their response to deformation and, for example, their suitability for radioactive

Externí odkaz: https://doaj.org/article/5ec5ca4f180945dc97cd6ecda0be31f4

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Akademický článek

Epidote dissolution–precipitation during viscous granular flow: a micro-chemical and isotope study

Autor: V. Peverelli, A. Berger, M. Wille, T. Pettke, P. Lanari, I. M. Villa, M. Herwegh

Publikováno v: Solid Earth, Vol 13, Pp 1803-1821 (2022)

Deformation of polymineralic aggregates can be accommodated by viscous granular flow, a process mediated by the interplay among intracrystalline plasticity and dissolution–precipitation, each active in specific minerals under given P–T conditions

Externí odkaz: https://doaj.org/article/1be6e8f1859043a88d0a73e1c8b76106

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Akademický článek

U − Pb geochronology of epidote by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) as a tool for dating hydrothermal-vein formation

Autor: V. Peverelli, T. Ewing, D. Rubatto, M. Wille, A. Berger, I. M. Villa, P. Lanari, T. Pettke, M. Herwegh

Publikováno v: Geochronology, Vol 3, Pp 123-147 (2021)

Epidote – here defined as minerals belonging to the epidote–clinozoisite solid solution – is a low-μ (μ=238U/204Pb) mineral occurring in a variety of geological environments and participating in many metamorphic reactions that is stable throu

Externí odkaz: https://doaj.org/article/e3d35e708a484a0f828cf8259ebc79e5

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Akademický článek

Silicate dissolution boosts the CO2 concentrations in subduction fluids

Autor: S. Tumiati, C. Tiraboschi, D. A. Sverjensky, T. Pettke, S. Recchia, P. Ulmer, F. Miozzi, S. Poli

Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-11 (2017)

Current estimates of dissolved CO2 in subduction-zone fluids based on thermodynamic models rely on a very sparse experimental data base. Here, the authors show that experimental graphite-saturated COH fluids interacting with silicates at 1–3 GPa an

Externí odkaz: https://doaj.org/article/0ed4d5db145c48af9684f6871b3beba3

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Akademický článek

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Hydrated komatiites as a source of water for TTG formation in the Archean

Autor: R. Tamblyn, J. Hermann, D. Hasterok, P. Sossi, T. Pettke, S. Chatterjee

Publikováno v: Earth and Planetary Science Letters, 603
Tamblyn, R.; Hermann, J.; Hasterok, Derrick; Sossi, Paolo; Pettke, T.; Chatterjee, S. (2023). Hydrated komatiites as a source of water for TTG formation in the Archean. Earth and planetary science letters, 603, p. 117982. Elsevier 10.1016/j.epsl.2022.117982

The preserved Archean continental crust is dominantly comprised of tonalite-trondhjemite-granodiorite (TTG) suites associated with less abundant low-grade greenstone belts. The exact processes that form TTGs, as well as the source rock they are deriv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::071c53adbd25651d15cdc90e3ef4e5a6
https://hdl.handle.net/20.500.11850/593758

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