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| Keywords | |
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key tectonic revolution |
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tectonic process |
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unconformity characteristics |
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hydrocarbon accumulation |
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Tarim Basin |
| Authors | |
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ZHANG Yu-Hang-1 |
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2 |
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TANG Liang-Jie-1 |
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2 |
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YUN Lu-3 |
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XIE Da-Qing-3 |
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QIU Hai-Jun-4 |
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JIANG Hua-Shan-3 |
| PubMed | |
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Article by Zhang, Y. H. 1 |
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Article by 2 |
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Article by Tang, L. J. 1 |
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Article by 2 |
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Article by Yun, L. 3 |
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Article by Xie, D. Q. 3 |
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Article by Qiu, H. J. 4 |
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Article by Jiang, H. S. 3 |
Unconformity characteristics and geological significance in key tectonic revolution stage of Tarim Basin
ZHANG Yu-Hang-1, 2, TANG Liang-Jie-1, 2, YUN Lu-3, XIE Da-Qing-3, QIU Hai-Jun-4, JIANG Hua-Shan-3
1�� Basin and Reservior Research Center��China University of Petroleum��Beijing 102249��China; 2�� State Key Laboratory of Petroleum Resource and Prospecting��China University of Petroleum��Beijing 102249��China; 3�� Northwest Oilfield Company of SinoPEC��Urumqi 830011��China; 4�� Oil and Gas Resources Strategic Research Center��Ministry of Land and Resources��Beijing 100034��China
Tarim Basin suffered seven key tectonic revolution stages since Ordovician��including the episode �� of middle Caledonian��episode �� of middle Caledonian��early Hercynian��late Hercynian��Indo-Chinese��middle Yanshan and late Yanshan-Himalayan��and generated seven important unconformities with different types and characteristics�� Through seismic profile recognition��logging analysis and core observation��the authors considered that these unconformities appeared in parallel��superimposed��folded��fault-folded��ancient karst and palaeo-erosion unconformities in type�� Associated with the evolution of the Tarim Basin��unconformities changed constantly in geometric shape��space and time�� According to these changes��the authors considered that the unconformities were characterized by superimposition and composition in geometric shape��lamination and difference in space��and migration in time�� The unconformities characteristics in Tarim Basin had close relationship with tectonic movement��erosion time and palaeo-sedimentary environment��