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准噶尔盆地玛湖凹陷下二叠统风城组含碱层段韵律特征及成因*
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余宽宏1, 操应长1, 邱隆伟1, 孙沛沛1, 杨勇强1, 曲长胜1, 万敏2 |
Characteristics of alkaline layer cycles and origin of the Lower Permian Fengcheng Formation in Mahu sag,Junggar Basin
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Yu Kuanhong 1, Cao Yingchang 1, Qiu Longwei 1, Sun Peipei 1, Yang Yongqiang 1, Qu Changsheng 1, Wan Min 2
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准噶尔盆地玛湖凹陷风南5井下二叠统风城组地层划分及取心段韵律特征 a—风南5井风城组综合柱状图;b—风南5井风城组二段典型的含碱层段岩心韵律特征,表现为浅色碱矿与暗色碳钠钙石质沉凝灰岩频繁互层,第1次取心,4066.04~4073.32 m |
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