广西六景泥盆系剖面是中国泥盆系标准剖面之一，通过对其弗拉斯阶-法门阶（F—F）界线附近地层进行详细的牙形石生物地层研究，自下而上识......

The qualities of petrology and paleobiology in Wuzhishan Section are studied. Several geochemical anomalies are recogniz......