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Геодинамика и тектонофизика

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EARLY CRETACEOUS EXTENSION IN UPPER-MIDDLE CRUST OF NE ASIA: EVIDENCES FROM WIDESPREAD SYN-THINNING GRANITIC DOMES

https://doi.org/10.5800/GT-2017-8-3-0264

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Аннотация

Numerous Early Cretaceous syn-thinning granitic domes are widespread in Mongolia and China-Mongolia border area. We observed relationships between deformation and magmatic activity that occurred in Baoder, Naran, Hanwula, Erdene, Altanshiree, Nartyn dome[Daoudene et al., 2012; Cheng et al., 2014; Guo et al., 2015], which developed in eastern Mongolia and China-Mongolia border area during Early Cretaceous crust-scale NW–SE extension.

Об авторах

Lei Guo
Institute of Geology, Chinese Academy of Geological Sciences
Китай
Beijing


Tao Wang
Institute of Geology, Chinese Academy of Geological Sciences
Китай
Beijing


Ying Tong
Institute of Geology, Chinese Academy of Geological Sciences
Китай
Beijing


Enkh-Orshikh Orsoo
Institute of Paleontology and Geology, Mongolian Academy of Sciences
Монголия
Ulaanbaatar


Narantsetseg Tserendash
Institute of Paleontology and Geology, Mongolian Academy of Sciences
Монголия
Ulaanbaatar


Lei Zhang
Institute of Geology, Chinese Academy of Geological Sciences
Китай
Beijing


Список литературы

1. Cheng Y.H., Teng X.J., Li Y.F., Yang J.Q., Liu Y., Peng L.N., Li Y., Li M., 2014. Chronology constraint and tectonic evolution of Hanwula Early Cretaceous ductile shear belt in Dong Ujimqin, Inner Mongolia. Journal of Earth Science (Journal of China University of Geosciences) 39 (4), 375–386 (in Chinese with English abstract).

2. Daoudene Y., Gapais D., Ruffet G., Gloaguen E., Cocherie A., Ledru P., 2012. Syn-thinning pluton emplacement during Mesozic extension in eastern Mongolia. Tectonics 31 (3), TC3001. https://doi.org/10.1029/2011TC002926.

3. Guo L., Li J.B., Tong Y., Wang T., Mo N., Zeng T., Jiao Y.Y., 2015. The identification of Early Cretaceous Baoder extensional granitic dome in Sonid Left Banner, Inner Mongolia, and its tectonic implications. Geological Bulletin of China 34 (12), 2195–2202 (in Chinese with English abstract).

4. Wang T., Guo L., Zhang L., Yang Q.D., Zhang J.J., Tong Y., Ye K., 2015. Timing and evolution of Jurassic–Cretaceous granitoid magmatisms in the Mongol–Okhotsk belt and adjacent areas, NE Asia: Implications for transition from contractional crustal thickening to extensional thinning and geodynamic settings. Journal of Asian Earth Sciences 97 (Part B), 365–392. https://doi.org/10.1016/j.jseaes.2014.10.005.

5. Wang T., Guo L., Zheng Y.D., Donskaya T., Gladkochub D., Zeng L.S., Li J.B., Wang Y.B., Mazukabzov A., 2012. Timing and processes of late Mesozoic mid-lower-crustal extension in continental NE Asia and implications for the tectonic setting of the destruction of the North China craton: Mainly constrained by zircon U-Pb ages from metamorphic core complexes. Lithos 154, 315–345. https://doi.org/10.1016/j.lithos.2012.07.020.

6. Wang T., Zheng Y.D., Zhang J.J., Zeng l.S., Donskaya T., Guo L., Li J.B., 2011. Pattern and kinematic polarity of Late Mesozoic extension in continental NE Asia: perspectives from metamorphic core complexes. Tectonics 30 (6), TC6007. https://doi.org/10.1029/2011TC002896.


Для цитирования:


Guo L., Wang T., Tong Y., Orsoo E., Tserendash N., Zhang L. EARLY CRETACEOUS EXTENSION IN UPPER-MIDDLE CRUST OF NE ASIA: EVIDENCES FROM WIDESPREAD SYN-THINNING GRANITIC DOMES. Геодинамика и тектонофизика. 2017;8(3):471-472. https://doi.org/10.5800/GT-2017-8-3-0264

For citation:


Guo L., Wang T., Tong Y., Orsoo E., Tserendash N., Zhang L. EARLY CRETACEOUS EXTENSION IN UPPER-MIDDLE CRUST OF NE ASIA: EVIDENCES FROM WIDESPREAD SYN-THINNING GRANITIC DOMES. Geodynamics & Tectonophysics. 2017;8(3):471-472. https://doi.org/10.5800/GT-2017-8-3-0264

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ISSN 2078-502X (Online)