Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/105213
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Type: | Journal article |
Title: | Seismic evidence for a geosuture between the Yangtze and Cathaysia Blocks, South China |
Author: | He, C. Dong, S. Santosh, M. Chen, X. |
Citation: | Scientific Reports, 2013; 3(1):2200-1-2200-7 |
Publisher: | Nature Publishing Group |
Issue Date: | 2013 |
ISSN: | 2045-2322 2045-2322 |
Statement of Responsibility: | Chuansong He, Shuwen Dong, M. Santosh, Xuanhua Chen |
Abstract: | South China, composed of the Yangtze and Cathaysia Blocks and the intervening Jiangnan orogenic belt, has been central to the debate on the tectonic evolution of East Asia. Here we investigate the crustal structure and composition of South China from seismic data employing the H-k stacking technique. Our results show that the composition and seismic structure of the crust in the Jiangnan orogenic belt are identical to those of the Cathaysia Block. Our data reveal a distinct contrast in the crustal structure and composition between the two flanks of the Jiujiang-Shitai buried fault. We propose that the Jiujiang-Shitai buried fault defines a geosuture between the Yangtze and Cathaysia Blocks, and that the felsic lower crust of the Cathaysia Block and the Jiangnan orogenic belt may represent fragments derived from the Gondwana supercontinent. |
Keywords: | Geodynamics; geology seismology; tectonics |
Rights: | This work is licensed under a Creative Commons Attribution 3.0 Unported license. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0 |
DOI: | 10.1038/srep02200 |
Published version: | http://dx.doi.org/10.1038/srep02200 |
Appears in Collections: | Aurora harvest 3 Geology & Geophysics publications |
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hdl_105213.pdf | Published Version | 1.48 MB | Adobe PDF | View/Open |
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