Particulate geochemistry of sediment core M136_574-1 MUC10B

574MUC10A, 574MUC10B: two cores sectioned: with and without a thick surface bacterial mat.574MUC10A、574MUC10B为两个经切片处理的芯样，其一带有厚实的表层细菌垫（bacterial mat），其二则无此类细菌垫。