Figure 3From: Origin and transport of pore fluids in the Nankai accretionary prism inferred from chemical and isotopic compositions of pore water at cold seep sites off KumanoRelationship between NH 4 +and B concentrations in pore water from the Oomine Ridge. The thin arrow represents ΔB/ΔNH4+ ratios of approximately 0.1 mol/mol for B derived from only organic matter desorption. The thick arrow indicates the manner in which B concentrations are enriched compared with those derived from only organic matter desorption. The sample numbers are given in Table 1.Back to article page