川西盆地下白垩统古流向逆变及沉积地球化学响应*
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Inversion of palaeocurrent direction and sedimentary geochemical response in the Lower Cretaceous of western Sichuan Basin
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龙门山前各剖面及双流正兴镇剖面下白垩统古流向玫瑰图(a—剑门关组;b—天马山组;c—天马山组;d—天马山组)