Methane concentrations in sediments of ODP sites 186-1150 and 186-1151

Substantial amounts of adsorbed methane were detected in authigenic carbonate concretions recovered from sedimentary layers from depths between 245 and 1,108 m below seafloor...从海底以下245至1108米深度的沉积层中回收的自生碳酸盐结核内，检测到了大量吸附态甲烷。