鄂尔多斯盆地西南缘上奥陶统平凉组砂岩微量元素特征及构造背景: 以陇县段家峡剖面为例<sup>*</sup>

鄂尔多斯盆地西南缘上奥陶统平凉组砂岩微量元素特征及构造背景: 以陇县段家峡剖面为例^*

刘朱睿鸷^1,², 何幼斌², 李华², 黄伟²

Geochemical characteristics of trace elements and tectonic setting of sandstones from the Upper Ordovician Pingliang Formation, southwestern margin of Ordos Basin: A case study of the Duanjiaxia profile, Longxian County

Liuzhu Rui-Zhi^1,², He You-Bin², Li Hua², Huang Wei²

陕西陇县段家峡剖面上奥陶统平凉组砂岩风化强度(a)与沉积再旋回(b)判别图解(据 McLennan et al ., 1993 )