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Geosciences
Special Issues
Processes Recorded by Igneous and Metamorphic Rocks
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Processes Recorded by Igneous and Metamorphic Rocks

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Structural Geology and Tectonics".

Deadline for manuscript submissions: closed (10 April 2021) | Viewed by 2891

Special Issue Editor

Dr. Antonio Acosta-Vigil

E-Mail Website1 Website2 Website3
Guest Editor
Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Avenida de las Palmeras 4, 18100 Armilla, Granada, Spain
Interests: igneous petrology; experimental petrology; high-temperature geochemistry; crustal anatexis; melt inclusions

Special Issue Information

Dear Colleagues,

Igneous and metamorphic rocks record many of the fundamental processes by which planet Earth has evolved and differentiated through geologic time, producing the current distribution of rocks and elements. Hence the detailed study of igneous and metamorphic rocks is key to decipher Earth’s history. This Special Issue seeks to gather manuscripts dealing with the study of these rocks, from any geodynamic scenario, and using field work, petrological, geochemical, geochronological, experimental, and/or theoretical/modelling approaches. We welcome all manuscripts dealing with the detailed characterization of any aspect of these rocks, and solid interpretations of related data in terms of ages, mechanisms, kinetics and implications of recorded processes.

Dr. Antonio Acosta-Vigil
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Geosciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Igneous and metamorphic petrology
  • High temperature geochemistry
  • Oceanic and continental crust
  • Mantle
  • Subduction zones
  • Orogens
  • Rifts

Published Papers (1 paper)

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Research

21 pages, 4668 KiB  
Article
Metasedimentary Metatexites with Trondhjemitic Leucosomes from NE Sicily: Another Example of Prograde Water-fluxed Melting in Collisional Belts
by Patrizia Fiannacca and Rosolino Cirrincione
Geosciences 2020, 10(4), 123; https://doi.org/10.3390/geosciences10040123 - 29 Mar 2020
Cited by 2 | Viewed by 2575
Abstract
Trondhjemitic leucosomes, hosted in late Variscan metasedimentary migmatites from the upper amphibolite-facies basement of the north-eastern Peloritani Mountains (southern Italy), have petrographic and geochemical features consistent with their origin as near-pure melts derived from in situ water-fluxed melting of their paragneiss host-rocks. Comparison [...] Read more.
Trondhjemitic leucosomes, hosted in late Variscan metasedimentary migmatites from the upper amphibolite-facies basement of the north-eastern Peloritani Mountains (southern Italy), have petrographic and geochemical features consistent with their origin as near-pure melts derived from in situ water-fluxed melting of their paragneiss host-rocks. Comparison with results of experimental melting and thermodynamic modelling of metasedimentary rocks suggests a dominant derivation of the leucosomes by melting, at c. 1.0 GPa and 700 °C, metagreywackes with a high pelitic content. Migmatization likely began at the thickening-related baric peak, or during the early post-collisional exhumation stages. A subsequent heating stage following the decompression and solidification of the leucosomes triggered a second melting stage, involving muscovite and biotite incongruent breakdown, with an associated production of peritectic sillimanite and garnet, and small leucogranitic patches within the trondhjemitic leucosomes. These melting events can be framed in the typical clockwise P-T-(t) evolution of the Variscan Belt in western and southern Europe, depicting collision-related thickening followed by widespread migmatization, starting close to the baric peak at c. 345 Ma and continuing during exhumation, with a duration of c. 25 Ma, up to c. 320 Ma. Full article
(This article belongs to the Special Issue Processes Recorded by Igneous and Metamorphic Rocks)
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