四川盆地北部早白垩世剑门关组泥质岩地球化学特征及其地质意义

徐刚^1,², 王越¹, 刘子畅², 吕行², 高淑芳³

Geochemical characteristics and geological significance of argillaceous rocks of Early Cretaceous Jianmenguan Formation in Northern Sichuan Basin

XU Gang^1,², WANG Yue¹, LIU Zichang², LV Hang², GAO Shufang³

研究区大地构造位置(a)及地质简图(b)^{[ 7 ]} 1.第四系冲积物; 2.早白垩世汉阳铺组; 3.早白垩世剑门关组; 4.晚侏罗世莲花口组; 5.晚侏罗世遂宁组; 6.中侏罗世沙溪庙组; 7.实测剖面及编号