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Minerals
Special Issues
Ore Deposits Related to Metamorphism
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Ore Deposits Related to Metamorphism

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Deposits".

Deadline for manuscript submissions: 30 October 2025 | Viewed by 781

Special Issue Editors

Dr. Argyrios Papadopoulos

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Guest Editor
Faculty of Geology & Geoenvironment, National and Kapodistrian University of Athens, University Campus, GR-15784 Athens, Greece
Interests: petrology of metamorphic rocks; fluid-rock interaction; geochemistry; ore genesis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Panagiotis Voudouris

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Guest Editor
Faculty of Geology & Geoenvironment, National and Kapodistrian University of Athens, University Campus, GR-15784 Athens, Greece
Interests: ore minerals; critical metals; magmatic-hydrothermal ore deposits; mineralogy of hydrothermal alterations in porphyry-epithermal systems; mineralogy and genesis of gemstones
Special Issues, Collections and Topics in MDPI journals
Dr. Constantinos G. Mavrogonatos

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Guest Editor
Department of Earth Sciences, University of Pisa, Pisa 56126, PI, Italy
Interests: exploration geology; CRMs; magmatic-hydrothermal ore deposits; metallogeny; alteration mineralogy and geochemistry; trace elements geochemistry; geoarchaeology-provenance studies; applied mineralogy and geochemistry

Special Issue Information

Dear Colleagues,

The demand for mineral resources and especially for critical raw materials (CRMs) is exponentially increasing, driven by the establishment of a circular economy and the energy transition. In this frame, the need for exploration for new mineral deposits, especially those with CRMs, emerges as one of the most significant research objectives in geosciences. This Special Issue aims to present the latest, cutting-edge advances in mineralogy, geochemistry, and genesis of ore deposits, focusing on those associated with metamorphic processes and metasomatism (i.e., regional and contact metamorphism). Geochronology, petrography, mineralogy, geochemistry, isotopes and trace elements, and fluid inclusions provide insights into exploration for new ore deposits. The Special Issue invites submissions that include original scientific research related to ore deposits from well-known and/or new localities worldwide and originating by metamorphic processes.

Dr. Argyrios Papadopoulos
Prof. Dr. Panagiotis Voudouris
Dr. Constantinos G. Mavrogonatos
Guest Editors

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. Minerals 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 2400 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

  • metamorphism
  • metasomatism
  • geochemistry (isotopes and trace elements)
  • geochronology
  • metamorphic ore minerals
  • mineralogy and petrography

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Published Papers (1 paper)

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Research

28 pages, 17232 KiB  
Article
Mafic VMS Mineralization in the Mesozoic Metavolcanic Rocks of the Evros Ophiolite, Xylagani Area, Greece
by Vasilios Melfos, Panagiotis Voudouris, Grigorios-Aarne Sakellaris, Christos L. Stergiou, Margarita Melfou, Eftychia Peristeridou, Lambrini Papadopoulou, Jaroslav Pršek and Anestis Filippidis
Minerals 2025, 15(4), 420; https://doi.org/10.3390/min15040420 - 17 Apr 2025
Viewed by 263
Abstract
The sulfide mineralization at Xylagani is hosted in metamorphosed mafic massive and pillow lava. It has an Early–Middle Jurassic age and belongs to the Makri unit, which represents the upper crustal section of the Evros ophiolite in the Circum Rhodope Belt, Northern Greece. [...] Read more.
The sulfide mineralization at Xylagani is hosted in metamorphosed mafic massive and pillow lava. It has an Early–Middle Jurassic age and belongs to the Makri unit, which represents the upper crustal section of the Evros ophiolite in the Circum Rhodope Belt, Northern Greece. The protolith of the host rock is basalt that has a boninitic-to-low-Ti tholeiitic composition and was formed in an intra-oceanic supra-subduction zone within a juvenile forearc-to-volcanic arc setting. The volcanic rocks were subjected to ocean-floor metamorphism at very low-grade prehnite–pumpellyite facies and low-grade greenschist facies at temperatures of up to 360 °C and pressures between 1 and 4 kbar. The mineralization shows typical features of a stratabound–stratiform deposit and occurs as silicified lenses and layers with disseminated and massive sulfides and gold. Based on host rock composition, geotectonic setting, and base metal content, the mineralization at Xylagani is classified as a Cu-rich mafic volcanic-associated deposit, i.e., Cyprus-type VMS (volcanogenic massive sulfide). The mineralization consists of pyrite, chalcopyrite, gold, pyrrhotite, sphalerite, galena, and tennantite-(Zn). It was formed at a subseafloor setting where hydrothermal fluids circulated through the host volcanic rocks, resulting in a pervasive alteration (silicification and chloritization) and the development of a replacement VMS deposit. The very low-to-low-grade orogenic metamorphism and related deformation during the Alpine collision in the Middle Jurassic to Early Cretaceous periods remobilized the mineralization and formed milky quartz veins with rare sulfides, crosscutting the metavolcanic rocks. Full article
(This article belongs to the Special Issue Ore Deposits Related to Metamorphism)
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