四川盆地地层层序表.doc

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1、四川盆地地层层序表界地层分层代码系统阶（组）段过去现在名称符号名称符号新生界Kz第四系　　　　　　QQ00上第三系　　　　　　NN00下第三系　芦山组　芦山R2芦山E1lE10名山组　名山R1名山E1mE20中生界Mz白垩系上统灌口组　灌口K3灌口K2g10夹关组　夹关K2夹关K2j20下统天马山组/嘉定组　天马山K1天马山K1t/K1j30侏罗系上统蓬莱镇组　重四Jc4蓬莱镇J3p110遂宁组　重三Jc3遂宁J3s120中统沙溪庙组沙二段重二Jc2沙二段J2s2131沙一段重一Jc1沙一段J2s1132下统凉高山组凉上自五Jt5凉上J1l2141凉下凉下J1l1142自流井组过渡层自四Jt4

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