Crustal Structural and Tectonic Evolution and Oil Prospect Evaluation in the Songpan-Zoigê Block |
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| Authors: | MA Yongsheng FU Xiaoyue WU Jingsheng CHEN Gao |
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| Abstract: | Recent study of magnetotelluric (MT) inversion indicates that the basement of the SongpanZoig(e) area could be a stable continental crust. There has developed quite thick and stable Paleozoic continental shelf margin-platform clastic and carbonate sediments during the Triassic. Preliminary field geologic investigation and hydrocarbon potential study show that good-quality source rocks,mainly argillaceous and carbonaceous shale, were deposited in the Cambrian and Silurian in this region, while diverse reservoirs of platform facies carbonate and clastic rocks were in the Carboniferous and Permian. The good vertical source-reservoir-seal configuration might indicate that there exists a certain potential for oil and gas exploration in this area. |
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| Keywords: | Songpan-Zoigê Block lithosphere structure tectonic evolution oil and gas |
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