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Discovery and geological knowledge of the large deep coal-formed Qingyang Gas Field, Ordos Basin, NW China |
| FU Jinhua,WEI Xinshan,LUO Shunshe,ZUO Zhifeng,ZHOU Hu,LIU Baoxian,KONG Qingfen,ZHAN Sha,NAN Junxiang |
| Fig. 7. Distribution map of Upper Paleozoic in the southwestern part of Ordos Basin. |
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