Paleozoic tectonic evolution of the eastern Central Asian Orogenic
Por um escritor misterioso
Last updated 04 setembro 2024
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lt;p>The eastern Central Asian Orogenic Belt (CAOB) in NE China is a key area for investigating continental growth. However, the complexity of its Paleozoic geological history has meant that the tectonic development of this belt is not fully understood. NE China is composed of the Erguna and Jiamusi blocks in the northern and eastern parts and the Xing’an and Songliao-Xilinhot accretionary terranes in the central and southern parts. The Erguna and Jiamusi blocks have Precambrian basements with Siberia and Gondwana affinities, respectively. In contrast, the Xing’an and Songliao-Xilinhot accretionary terranes were formed via subduction and collision processes. These blocks and terranes were separated by the Xinlin-Xiguitu, Heilongjiang, Nenjiang, and Solonker oceans from north to south, and these oceans closed during the Cambrian (ca. 500 Ma), Late Silurian (ca. 420 Ma), early Late Carboniferous (ca. 320 Ma), and Late Permian to Middle Triassic (260–240 Ma), respectively, forming the Xinlin-Xiguitu, Mudanjiang-Yilan, Hegenshan-Heihe, Solonker-Linxi, and Changchun-Yanji suture zones. Two oceanic tectonic cycles took place in the eastern Paleo-Asian Ocean (PAO), namely, the Early Paleozoic cycle involving the Xinlin-Xiguitu and Heilongjiang oceans and the late Paleozoic cycle involving the Nenjiang-Solonker oceans. The Paleozoic tectonic pattern of the eastern CAOB generally shows structural features that trend east-west. The timing of accretion and collision events of the eastern CAOB during the Paleozoic youngs progressively from north to south. The branch ocean basins of the eastern PAO closed from west to east in a scissor-like manner. A bi-directional subduction regime dominated during the narrowing and closure process of the eastern PAO, which led to “soft collision” of tectonic units on each side, forming huge accretionary orogenic belts in central Asia.</p>
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://www.tandfonline.com/cms/asset/959ec200-f97f-4198-a9b2-7bb3924b9ac0/tigr_a_1824128_f0001_c.jpg)
Full article: Late Silurian to early Devonian development of the Chingiz accretion arc, West Junggar: insights into accretion arc evolution in the Central Asia Orogenic Belt
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sengor_v2.1.png/994px-Sengor_v2.1.png)
Central Asian Orogenic Belt - Wikipedia
Paleozoic Plate Tectonics
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://www.researchgate.net/publication/275032652/figure/fig3/AS:391784455786496@1470420101273/Conceptual-model-for-the-Paleozoic-evolution-of-the-Central-Asian-Orogenic-Belt-in.png)
Conceptual model for the Paleozoic evolution of the Central Asian
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://www.frontiersin.org/files/Articles/534745/feart-08-00242-HTML/image_m/feart-08-00242-g001.jpg)
Frontiers Early Jurassic Rare Metal Granitic Pluton of the Central Asian Orogenic Belt in North-Central Mongolia: Tungsten Mineralization, Geochronology, Petrogenesis and Tectonic Implications
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://www.mdpi.com/minerals/minerals-10-00799/article_deploy/html/images/minerals-10-00799-g001.png)
Minerals, Free Full-Text
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://d3i71xaburhd42.cloudfront.net/917d4c8a9feaade55c8a7bd278a46413fbf64128/2-Figure1-1.png)
PDF] Late Paleozoic subduction and collision processes during the amalgamation of the Central Asian Orogenic Belt along the South Tianshan suture zone
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://www.tandfonline.com/action/showGraphicalAbstractImage?doi=10.1080%2F00206814.2017.1377121&id=tigr_a_1377121_uf0001_c.jpg)
Full article: Permo–Triassic granitoids of the Xing'an–Mongolia segment of the Central Asian Orogenic Belt, Northeast China: age, composition, and tectonic implications
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://0.academia-photos.com/attachment_thumbnails/41918808/mini_magick20190218-25973-ge7vod.png?1550514794)
PDF) Neoproterozoic-middle Paleozoic tectono-magmatic evolution of the Gorny Altai terrane, northwest of the Central Asian Orogenic Belt: constraints from detrital zircon U-Pb and Hf-isotope studies
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://pub.mdpi-res.com/minerals/minerals-13-01090/article_deploy/html/images/minerals-13-01090-ag.png?1692354904)
Minerals, Free Full-Text
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://ars.els-cdn.com/content/image/1-s2.0-S1342937X21002380-ga1.jpg)
When did the final closure occur of the eastern Paleo-Asian Ocean: Constraints from the latest Early–Middle Triassic adakitic granites in the southeastern Central Asian Orogenic Belt - ScienceDirect
![Paleozoic tectonic evolution of the eastern Central Asian Orogenic](https://zgdzdcqkw-data.xml-journal.net//zgdzdcqkw-data/zgdzyw/2022/4/PIC/cg2021079-10.jpg)
Paleozoic tectonic evolution of the eastern Central Asian Orogenic Belt in NE China
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