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Earth, Planets and Space
Figure 6 | Earth, Planets and Space

Figure 6

From: 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 Kumano

Figure 6

Schematic diagram showing the distribution and migration of pore fluids in sediments off Kumano. The solid stars indicate cold seep sites at the Oomine Ridge; open star indicates cold seep sites at the other area. The black vertical bars indicate IODP sites. The dotted lines are bottom-simulating reflectors (BSRs) that delineate a base of MH, and the dashed lines are temperature contours of 150°C and 160°C. The shaded zone indicates a reservoir of shallow pore fluid (SPF). Source A indicates the source of mud volcano fluids characterized by B and Li enrichment, whereas Source B indicates a source of the Oomine Ridge fluids rich in B but not Li.

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