Geochemical anomalies possibly indicating occurrence of hydrate in the northeast of the South China Sea Lu, Zhengquan ; Wu, Bihao ; Qiang, Zuji ; Zhu, Youhai ; Wang, Zaimin ; Zhang, Fuyuan Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: September 2003 Bibcode: 2003GeCAS..67R.261L