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Minerals
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Geology, Paleontology, Palaeogeography of the Western Tethys Realm, Volume II
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Geology, Paleontology, Palaeogeography of the Western Tethys Realm, Volume II

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

Deadline for manuscript submissions: closed (10 February 2023) | Viewed by 3453

Special Issue Editor

Dr. Michał Krobicki

E-Mail Website
Guest Editor
Department of General Geology and Geotourism, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland
Interests: palaeoecology; palaeogeography; palaeobiogeography; palaeoceanography; Mesozoic marine invertebrates; Tethys Ocean; geodynamic; sedimentology; volcanogenic rocks
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Special Issue Information

Dear Colleagues,

The overall geologic history of the Western Tethys Realm has been relatively well reconstructed, but the mountain ranges in the area are also known for their bewildering complexity. However, several crucial and topical questions remain, especially related to the older Mesozoic plate configuration. There is still no agreement on the number and position of oceanic domains and continental realms which may have existed, even though there is progress in the reconstruction of the geodynamic history, based on, for example,
1) biostratigraphic age dating and better understanding of the depositional environment of the sedimentary sequences; 2) analyses on ophiolites to constrain the characteristics of lost oceanic basins, their age, and mode of emplacement; 3) palaeomagnetic studies to reconstruct tectonic motions of different units; 4) analyses of metamorphic rocks including age dating; 5) mineral deposit formation; 6) structural studies; 7) palaeoecological investigations in wider palaeoceanographical conditions; 8) volcanogenic events; and many other studies enlightening the rather complex situation in the Western Tethys Realm. The Western Tethys Realm has been studied in detail over nearly 200 years and still acts for many topics in geoscience as a reference, but the area still provides many chances to contribute essential information to make progress in the body of knowledge on mountain-building processes, reconstructions of depositional environments through time and space, as well as the evolution of organisms and their exact biostratigraphy to understand deposit formation related to plate tectonic processes and many other topics. This Special Issue should also provide authors the possibility to discuss other views on the history of the Western Tethys Realm and the wider context/connections of the whole Tethys, including its Eastern part. Overview articles related to special topics as well as very specialized articles opening new perspectives or presently overlooked aspects are highly welcome. This Special Issue is dedicated to Dr. Sigrid Missoni, to honour her contributions to unravel the geological history of the Western Tethys Realm. She lost her last fight against cancer and died too young, at the age of 48. She leaves a big hole in the scientific community.

Dr. Michał Krobicki
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. 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

  • biostratigraphy
  • geodynamics
  • palaeogeography
  • palaeoecology
  • plate tectonics
  • palaeooceanography
  • deposit formation
  • tethys ocean
  • palaeozoic–mesozoic–cenozoic
  • tectonostratigraphy

Related Special Issue

Published Papers (2 papers)

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Research

16 pages, 7438 KiB  
Article
Rock Magnetic Results from the Early Ordovician Limestone Rocks in the Northern Qaidam Block, Tibetan Plateau
by Xiaohong Deng, Yanan Zhou, Teng Wang, Xin Cheng, Bitian Wei, Nan Jiang, Dongmeng Zhang, Teng Li, Shuqi Lan, Longyun Xing and Hanning Wu
Minerals 2023, 13(1), 65; https://doi.org/10.3390/min13010065 - 30 Dec 2022
Cited by 1 | Viewed by 1359
Abstract
The early Ordovician location of the Qaidam Block remains unclear, mainly due to the sparse paleomagnetic data to quantitatively determine the coeval position. The early Ordovician limestone is widespread in the northern Qaidam Block providing an ideal window to obtain a paleomagnetic result. [...] Read more.
The early Ordovician location of the Qaidam Block remains unclear, mainly due to the sparse paleomagnetic data to quantitatively determine the coeval position. The early Ordovician limestone is widespread in the northern Qaidam Block providing an ideal window to obtain a paleomagnetic result. The results derived from the limestone are, however, frequently constrained by the hydrothermal fluid activities after the strata formed and complex magnetic minerals in the samples. Therefore, systematic petrological and rock magnetic studies were conducted to identify the content and composition of magnetic minerals in the limestone samples from the early Ordovician Duoquanshan Formation in the northern Qaidam Block. The rock magnetic and petrologic results show that the magnetic carriers in the limestone samples are dominated by magnetite with a small amount of pyrrhotite, goethite, and hematite. These results are consistent with the characteristics of stepwise demagnetization. Combined with the results published previously, the secondary remanence component carried by pyrrhotite might be produced by thermal fluid or magma active by the multiple Tethys evolution. Full article
(This article belongs to the Special Issue Geology, Paleontology, Palaeogeography of the Western Tethys Realm, Volume II)
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26 pages, 6705 KiB  
Article
The Moglio-Testico Unit (Ligurian Alps, Italy) as Subducted Metamorphic Oceanic Fragment: Stratigraphic, Structural and Metamorphic Constraints
by Edoardo Sanità, Maria Di Rosa, Jean-Marc Lardeaux, Michele Marroni and Luca Pandolfi
Minerals 2022, 12(11), 1343; https://doi.org/10.3390/min12111343 - 24 Oct 2022
Cited by 3 | Viewed by 1656
Abstract
Along the Western Alps, the oceanic units showing blueschists to eclogite facies metamorphic imprint are classically regarded as fragments of the Ligurian-Piedmont Ocean. These units recorded a strongly deformation related to their subduction, accretion and subsequent exhumation into the Alpine wedge, developed during [...] Read more.
Along the Western Alps, the oceanic units showing blueschists to eclogite facies metamorphic imprint are classically regarded as fragments of the Ligurian-Piedmont Ocean. These units recorded a strongly deformation related to their subduction, accretion and subsequent exhumation into the Alpine wedge, developed during the convergence between the Europa and Adria Plates. However, some of these units, for example the Moglio-Testico Unit, are less pervasively deformed, providing evidence of their sedimentary evolution as well as the tectono-metamorphic history. Therefore, we present original stratigraphic, structural and thermo-barometric data to characterize the tectono-metamorphic history and the sedimentary evolution of the Moglio-Testico Unit, performing different techniques including fieldwork, structural analysis and chlorite-phengite multiequilibrium thermobarometry. Our dataset indicates that the Moglio-Testico Unit can be considered as a fragment of oceanic cover whose sedimentary evolution reflects that of a portion of oceanic lithosphere approaching to the subduction zone. Structural analysis combined with the thermobarometry indicate that this unit recorded a polyphase deformation history developed under High Pressure-Low Temperature metamorphic conditions (D1: 1.2–1.0 GPa and Tpeak: 330–260 °C; D2: 0.4–0.7 GPa and 230–170 °C) during its underthrusting, accretion into the Alpine wedge and subsequent exhumation up to the shallower crustal levels. Full article
(This article belongs to the Special Issue Geology, Paleontology, Palaeogeography of the Western Tethys Realm, Volume II)
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