Global and Regional Tectonics: Insights from Sedimentary Records and Geochemistry, 2nd Edition

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 1289

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Guest Editor
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Interests: tectonics and evolution of the Tibetan plateau; lithospheric evolution of eastern China; application of non-conventional methods, in particular sedimentary geochemistry, to studies of tectonics; interaction of tectosphere with the other Earth spheres
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Guest Editor
Sinoprobe center, Chinese Academy of Geological Sciences, Beijing 100037, China
Interests: active tectonic evolution; basin analysis; sedimentary geology; petroleum geology
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Special Issue Information

Dear Colleagues,

Sedimentary rocks cover about three-quarters of the continents on the Earth’s crust and hold the singular advantage that they contain a vertically stacked and relatively undeformed record of erosion, sedimentation, and tectonic environments. Therefore, the characterization of sedimentary rocks and minerals as well as their chemistry and isotopes constitutes a key approach to studies of tectonic processes and tectonic environmental reconstructions. Studies over the past decades have strongly propelled applications of chemistry and isotopes of sedimentary rocks and minerals toward the solution of fundamental tectonic issues. For example, geochemical analyses of fine-grained siliciclastic rocks, cherts, and even limestones have led to proxies being established for the discrimination of depositional plate tectonic settings; the detrital modes and heavy-mineral spectra of sandstones can provide key information in provenance determination and the type of tectonic setting in which they were deposited; U–Pb–Lu–Hf isotope systematics of detrital zircons from siliciclastic rocks are used to illustrate the nature of major regional or global crustal growth events; isotopic chronology along with Sr, Nd, Pb, and other more isotope compositions of specific detrital minerals, such as mica and feldspar, in sedimentary rocks can give indications of sources. Therefore, a collection of papers about this topic is vital, which will provide a platform and opportunities for the international community to exchange new ideas in addition to promoting further advances and progress in this field.

In this Special Issue, we would like to focus on recent advances in the applications towards global and regional tectonic reconstructions that are based on the use of composition, chemistry, and isotopes of sedimentary rocks and minerals. In addition, this issue would like to collect new ideas regarding methodologies and provide reviews of recent developments. Moreover, case studies of tectonics in specific regions using sedimentary data are also of interest. We suggest that potential contributors address the following themes, and the submission of original research and review articles is preferred over other article types.

  1. Applications of chemistry and isotopes of sedimentary minerals and rocks in reconstructing global and regional tectonic environments and evolution for critical periods in geological history.
  2. Applications of chemistry and isotopes of sedimentary minerals and rocks in unraveling the tectonic framework and evolution of important regimes, such as the Tethyan Realm, Central Asian Orogenic Belt, etc., are particularly welcome.
  3. Reviews of or new ideas on methodology using proxies of chemistry and isotopes of specific sedimentary rock or mineral for discrimination of tectonic environments.
  4. Reviews of, or new ideas on, sedimentary geology, geochemistry, and isotopes in a specific tectonic environment.

Prof. Dr. Kai-Jun Zhang
Prof. Dr. Xianchun Tang
Guest Editors

Manuscript Submission Information

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Keywords

  • tectonics
  • sedimentary rocks and minerals
  • sedimentary geochemistry and isotopes
  • paleogeography

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Published Papers (1 paper)

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Research

28 pages, 2517 KiB  
Article
Petrography and Geochemistry of Lower Jurassic Sandstones in the Eastern Junggar Basin: Implications for Provenance and Tectonic Setting
by Furong Li, Zhi Zhang, Can Zhao, Jinqi Han, Jiaye Liu, Yaoyun Guo, Xinyu Tang, Chang Su, Xu Chang and Tong Wu
Minerals 2025, 15(3), 279; https://doi.org/10.3390/min15030279 - 9 Mar 2025
Viewed by 936
Abstract
The Junggar Basin basement comprises microcontinental blocks amalgamated through successive paleo-oceanic accretion events. Stratigraphic and provenance studies within the basin are crucial for reconstructing its evolution and understanding the closure of paleo-oceanic systems. This study presents an integrated petrographic and geochemical analysis of [...] Read more.
The Junggar Basin basement comprises microcontinental blocks amalgamated through successive paleo-oceanic accretion events. Stratigraphic and provenance studies within the basin are crucial for reconstructing its evolution and understanding the closure of paleo-oceanic systems. This study presents an integrated petrographic and geochemical analysis of the Lower Jurassic Badaowan Formation sandstones in the Dongdaohaizi Depression, located in the eastern Junggar Basin. The results reveal a progressive decrease in lithic fragment content and an increase in quartz content from older to younger strata within the Badaowan Formation, indicating an increase in compositional maturity. Provenance analysis indicates that the sandstones are predominantly derived from tuffaceous rocks, granites, basalts, and minor metamorphic rocks. Heavy mineral assemblages, including zircon, chromian spinel, tourmaline, and garnet, suggest parent rocks consisting primarily of intermediate to acidic igneous rocks, mafic igneous rocks, and metamorphic rocks. Integrated petrographic and geochemical data from the surrounding areas of the Dongdaohaizi Depression confirm that the Badaowan Formation sandstones are primarily sourced from the eastern Kelameili Mountain. The continued uplift and migration of the Kelameili Mountain during the Early Jurassic played a dominant role in shaping the sedimentary provenance. LA-ICP-MS analyses reveal that the rare earth element (REE) concentrations in the Lower Jurassic sandstones are slightly lower than the average REE content of the upper continental crust. The sandstones exhibit weak differentiation between light and heavy REEs, reflecting a depositional environment characterized by anoxic reducing conditions. Geochemical results indicate a tectonic setting dominated by a passive continental margin and continental island arc in the source area. Synthesizing these findings with related studies, we propose that the Kelameili Ocean, as part of the Paleo-Asian Ocean, underwent a complex evolution involving multiple oceanic basins and microcontinental subduction–collision systems. From the Middle Ordovician to Late Silurian, the Kelameili region evolved as a passive continental margin. With the onset of subduction during the Middle Devonian to Early Carboniferous, the eastern Junggar Basin transitioned into a continental island arc system. This tectonic transition was likely driven by episodic or bidirectional subduction of the Kelameili Ocean. Full article
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