Figure 1. A. Location map of ODP Leg 168 (redrawn from Leg 168 Scientific Prospectus). B. Basement topography (black area) and sediment cover (stippled area), eastern flank of the Juan de Fuca Ridge (redrawn from Davis, Fisher, Firth, et al., 1997). HT = Hydrothermal Transition; BB = Buried Basement; RB = Rough Basement.

Figure 1. A. Location map of ODP Leg 168 (redrawn from Leg 168 Scientific Prospectus). B. Basement topography (black area) and sediment cover (stippled area), eastern flank of the Juan de Fuca Ridge (redrawn from Davis, Fisher, Firth, et al., 1997). HT = Hydrothermal Transition; BB = Buried Basement; RB = Rough Basement.