Studies demonstrate that the Chouniukou Formation of the Qilian Mountains represents a lithostratigraphical unit across series, with its lower part belonging to the Middle-Late Visean, middle part to E-zone of the Ear...Studies demonstrate that the Chouniukou Formation of the Qilian Mountains represents a lithostratigraphical unit across series, with its lower part belonging to the Middle-Late Visean, middle part to E-zone of the Early Namunan, and upper part to the Middle-Late Namurian. The Mid-Carboniferous boundary passes through the bedding plane between the middle and upper parts of this formation.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Studies demonstrate that the Chouniukou Formation of the Qilian Mountains represents a lithostratigraphical unit across series, with its lower part belonging to the Middle-Late Visean, middle part to E-zone of the Early Namunan, and upper part to the Middle-Late Namurian. The Mid-Carboniferous boundary passes through the bedding plane between the middle and upper parts of this formation.
