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A Reconstruction for the Late Paleozoic Tectonic Evolution of the Tekes Daban Area, Western Tianshan Mountains: Evidence from Unconformities

2011; Wiley; Volume: 85; Issue: 5 Linguagem: Inglês

10.1111/j.1755-6724.2011.00245.x

1755-6724

Yongjun Li, Gaoxue Yang, Xiaogang Wang, Tianji ZHANG, Xiaoyu Liu, Mingyi Yang, Tong Li-ming,

High-pressure geophysics and materials

Acta Geologica Sinica - English EditionVolume 85, Issue 5 p. 1127-1136 A Reconstruction for the Late Paleozoic Tectonic Evolution of the Tekes Daban Area, Western Tianshan Mountains: Evidence from Unconformities Yongjun LI, Corresponding Author Yongjun LI School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, China Corresponding author. E-mail: [email protected]Search for more papers by this authorGaoxue YANG, Gaoxue YANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorXiaogang WANG, Xiaogang WANG No. 9 Geological Brigade, Xinjiang Bureau of Geology and Mineral Exploration and Development, Ürümqi 830000, ChinaSearch for more papers by this authorTianji ZHANG, Tianji ZHANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorXiaoyu LIU, Xiaoyu LIU School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorMingyi YANG, Mingyi YANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorLiming TONG, Liming TONG No. 9 Geological Brigade, Xinjiang Bureau of Geology and Mineral Exploration and Development, Ürümqi 830000, ChinaSearch for more papers by this author Yongjun LI, Corresponding Author Yongjun LI School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, China Corresponding author. E-mail: [email protected]Search for more papers by this authorGaoxue YANG, Gaoxue YANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorXiaogang WANG, Xiaogang WANG No. 9 Geological Brigade, Xinjiang Bureau of Geology and Mineral Exploration and Development, Ürümqi 830000, ChinaSearch for more papers by this authorTianji ZHANG, Tianji ZHANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorXiaoyu LIU, Xiaoyu LIU School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorMingyi YANG, Mingyi YANG School of Earth Sciences and Resources Management, Chang'an University, Xi'an 710054, ChinaSearch for more papers by this authorLiming TONG, Liming TONG No. 9 Geological Brigade, Xinjiang Bureau of Geology and Mineral Exploration and Development, Ürümqi 830000, ChinaSearch for more papers by this author First published: 08 November 2011 https://doi.org/10.1111/j.1755-6724.2011.00545.xCitations: 3AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract: The identification of unconformities is the key to reconstructing tectonic evolution, revealing crust movement and establishing tectonic cycle. For a long time, there were some controversial issues on the episodes of Variscan cycle (especially on the period of Carboniferous-Permian stages) of the Tianshan area. The essential questions fall on the numbers and property of unconformities in this area, for example, in the western Tianshan area. Previous research only recognized three or four fold movements. Detailed regional geological mapping of 1:50000 in the Tekes Daban area, western Tianshan have allowed us to characterize the seven unconformities within the Carboniferous-Permian strata and understand its implications for tectonic reconstruction of the Tianshan orogen. Seven angular unconformities, which indicate that seven tectonic episodes occurred in the Late Paleozoic Period, were identified in this area. Therein, the newly discovered unconformities based on the angle-unconformity between the Dongtujinhe and Keguqinshan Formations, and angle-unconformity between the Wulansayi and Wulang Formations, respectively indicates the Tekes episode and Gongliu episode. The unconformity between the Dongtujinhe and Yishijilike Formations is angle-unconformity instead of parallel unconformity indentified by previous research, so the former Bogda ascending can be revised as Bogda movement. Therefore, these newly identified seven episodes, including the Tekes episode, suggest that there are seven tectonic movements in the Tianshan area at least. This has significant implications for reconstruction of the Late Paleozoic tectonics in the Tianshan Area, NW China. 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Citing Literature Volume85, Issue5October 2011Pages 1127-1136 ReferencesRelatedInformation