Marine sediments on the continental slope of the NE South China Sea have appropriate thickness, methane-generating potential, and occur in a suitable pressure temperature regime to host gas hydrate.

• 摘要南中国海东北部大陆斜坡带上的海相沈积有适当的沈积厚度，处于适宜形成气水合物的温-压域内，有一定的甲烷生成潜力。