Figure 8

Sulfide (S) and temperature (T) relationships observed in hydrothermal sites (a) Twinkie, (b) Spiegelei, and (c) Rocky Point. S/T measurements were made at 5 cm (closed symbols) and 15 cm (open symbols) sediment depth in (a) Twinkie and (b) Spiegelei, and at 10 cm (closed symbols) and 20 cm (open symbols) in (c) Rocky Point.