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Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic...
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Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic Lithosphere

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

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 8175

Special Issue Editors

Dr. Paola Tartarotti

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Guest Editor
Department of Earth Sciences "Ardito Desio", University of Milan, Via Mangiagalli, 34, 20133 Milano, MI, Italy
Interests: ophiolites; oceanic lithosphere; structural geology; high pressure metamorphism; subduction processes
Special Issues, Collections and Topics in MDPI journals
Dr. Ruibao Li

E-Mail Website
Guest Editor
School of Earth Science and Resources, Chang'an University, Xi'an 710054, China
Interests: ophiolite; granites; geochemistry; tectonics
Special Issues, Collections and Topics in MDPI journals
Dr. Francesca Claudia Rotondo

E-Mail Website
Guest Editor
School of Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, European Way, Southampton SO14 3ZH, UK
Interests: ophiolites; hydrothermal systems; geochemical cycles; ocean crust; alteration petrology

Special Issue Information

Dear Colleagues,

The architectural and geochemical signatures of ophiolites are derived from variation in petrological, geochemical and tectonic processes acting in different geodynamic settings. Significant advances in marine geosciences have recently improved the comparison between ophiolites and the modern oceanic lithosphere, created at various spreading rates in the context of the entire mid-ocean ridge-transform system. One of the striking features that ophiolites and the modern oceanic lithosphere have in common is the formation of secondary minerals and mineralization, caused by the interaction between rock and seawater or hydrothermal fluids that penetrate the crust via permeable structures created by fissuring and faulting, and via the intrinsic porosity of the rock. We encourage authors to submit papers to this Special Issue that focus on the mineralogical and geochemical composition of ophiolites and the modern oceanic lithosphere. Studies may use both or either traditional or novel analytical techniques. They should also provide new insights into rock–seawater and/or rock–hydrothermal fluid interactions, mineral deposits in ophiolites and the modern oceanic lithosphere, and/or biomineralization, in relation to the different oceanic geodynamic settings.

Dr. Paola Tartarotti
Dr. Ruibao Li
Dr. Francesca Claudia Rotondo
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 250 words) can be sent to the Editorial Office for assessment.

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

  • hydrothermal minerals
  • oceanic alteration
  • oceanic mineral deposits
  • biomineralization
  • mid-ocean ridge processes

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Published Papers (3 papers)

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Research

18 pages, 5668 KB  
Article
Chronology and Geochemistry of Intrusive Magmatic Rocks in the Shiquanhe Ophiolitic Mélange, Tibet: Constraints on the Tectonic Evolution of the Meso-Tethys Ocean
by Kegang Dai, Xu Zhang, Ru-Xin Ding, Harald Furnes, Wei-Liang Liu, Xiaobo Kang, Hongfei Zhao, Jing Li, Qin Wang, Yun Bai, Chi Yan and Yutong Shi
Minerals 2026, 16(2), 123; https://doi.org/10.3390/min16020123 - 23 Jan 2026
Viewed by 541
Abstract
Magmatic activity is crucial for identification of the tectonic framework of the ancient oceanic crust. In this study, systematic investigation, including a field survey, zircon LA-ICP-MS U-Pb dating, and whole-rock geochemical analysis, has been carried out on the intrusive quartz- and granodiorites within [...] Read more.
Magmatic activity is crucial for identification of the tectonic framework of the ancient oceanic crust. In this study, systematic investigation, including a field survey, zircon LA-ICP-MS U-Pb dating, and whole-rock geochemical analysis, has been carried out on the intrusive quartz- and granodiorites within the Meso-Tethyan Shiquanhe Ophiolitic Mélange (SQM), Tibet. Zircon U-Pb dating yields the weighted mean ages of 174.7 ± 1.4 Ma (quartz diorite) and 178.9 ± 1.2 Ma (granodiorite), respectively, demonstrating the Early Jurassic formation age. The quartz diorite samples are metaluminous (A/NKC = 0.77–0.95) (molar/Al2O3/(CaO + Na2O + K2O)), while the granodiorite samples are weakly peraluminous (A/NKC = 0.95–1.21), and both of them exhibit tholeiitic to calc-alkaline geochemical characteristics and can be classified as I-type granites. The right-dipping rare-earth element (REE) patterns, enrichment in large ion lithophile elements (LILEs: Rb, Ba, Th), and depletion in high-field-strength elements (HFSEs: Nb, Ta, Ti), as well as relatively high (La/Yb)N ratios, are features compatible with an island arc setting. Combined with previous works, we suggest that the Shiquanhe ophiolitic mélange not only preserves records of mid-late Jurassic island arc magmatic activity but also contains evidence of island arc magmatism from the late Early Jurassic. Full article
(This article belongs to the Special Issue Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic Lithosphere)
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19 pages, 4272 KB  
Article
Garnet-Free Mineral Assemblage at Eclogite-Facies Conditions in the Riffelberg–Garten Unit, Italian Western Alps
by Gisella Rebay, Thomas Gusmeo, Maria Iole Spalla and Davide Zanoni
Minerals 2026, 16(1), 79; https://doi.org/10.3390/min16010079 - 14 Jan 2026
Viewed by 562
Abstract
The peculiar high-pressure mineral assemblage omphacite, epidote, quartz, calcite, titanite, and opaque minerals, ±phengite, has been observed in the Riffelberg–Garten Unit (RGU), a heterogeneous metasedimentary rock assemblage of the Zermatt–Saas Zone. Microstructural analysis, mineral chemistry, and petrologic modelling allowed to refine the syn-D2 [...] Read more.
The peculiar high-pressure mineral assemblage omphacite, epidote, quartz, calcite, titanite, and opaque minerals, ±phengite, has been observed in the Riffelberg–Garten Unit (RGU), a heterogeneous metasedimentary rock assemblage of the Zermatt–Saas Zone. Microstructural analysis, mineral chemistry, and petrologic modelling allowed to refine the syn-D2 P-T peak conditions for the Alpine tectono-metamorphic evolution. In the upper Valtournenche, S2 foliation is the dominant fabric at the regional scale of the Zermatt–Saas Zone. Petrologic modelling of the syn-D2 mineral assemblage indicates climax conditions of P = 1.85–2.0 GPa and T = 500–525 °C. These estimates are in good agreement with those inferred in the RGU metasedimentary matrix and enclosed eclogite and metagabbro elements. During exhumation, RGU rocks re-equilibrated texturally and mineralogically under blueschist–/epidote–amphibolite (P = 0.4–1.3 GPa and T = 350–500 °C during D3) and greenschist (P ≤ 0.25 GPa and T ≤ 400 °C during) facies conditions. This study highlights the potential of petrologic modelling for constraining the environmental conditions of metamorphism even in anomalous mineral assemblages where conventional thermobarometry is not applicable. Full article
(This article belongs to the Special Issue Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic Lithosphere)
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34 pages, 11964 KB  
Article
Formation and Tectonic Evolution of Ophiolites in the Sabah Area (Borneo, SE Asia)
by Zhiwen Tian, Youfeng Gao, Pujun Wang and Huafeng Tang
Minerals 2024, 14(11), 1078; https://doi.org/10.3390/min14111078 - 25 Oct 2024
Cited by 3 | Viewed by 6061
Abstract
Zircon U-Pb dating, rock geochemistry, Sr-Nd-Pb, and zircon Hf isotope analyses were conducted on the ultrabasic and basic rocks of ophiolites in the Sabah area (Borneo, SE Asia). The zircon U-Pb ages of ultrabasic and basic rocks range from 248 to 244 Ma, [...] Read more.
Zircon U-Pb dating, rock geochemistry, Sr-Nd-Pb, and zircon Hf isotope analyses were conducted on the ultrabasic and basic rocks of ophiolites in the Sabah area (Borneo, SE Asia). The zircon U-Pb ages of ultrabasic and basic rocks range from 248 to 244 Ma, indicating that the ophiolites already existed in the early Triassic. The rare earth elements of basic rocks in Central Sabah show N-MORB-type characteristics and E-MORB-type characteristics in the northwest and southeast. The εNd(t) values of basic rocks range from 3.66 to 8.73, and the εHf(t) values of zircon in ultrabasic rocks are between −10.2 and −6.1. Trace element analysis shows that the magmatic source was influenced by melts and fluids from the subducting plate of the Paleo-Tethys Ocean. The tectonic evolution of the Sabah area can be traced back to the Early Triassic. At that time, the fast subduction of the Paleo-Tethys Ocean plate and the retreating of the Paleo-Pacific plate resulted in the upwelling of mantle material in relatively small extensional settings, leading to the formation of the ophiolites. From the Jurassic to the Early Cretaceous, the Paleo-Pacific plate was intensely subducted, and the ophiolite intrusion in the Sabah area moved to the continental crust of South China or the Sundaland margin as fore-arc ophiolites. From the Late Cretaceous to the Miocene, with the expansion of the Proto-South China Sea and South China Sea oceanic crust, the ophiolites in the Sabah area drifted southward with microplate fragments and sutured with East Borneo. Full article
(This article belongs to the Special Issue Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic Lithosphere)
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