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Figure F16. Diagrams of rake of slickenlines (ϕ) deduced from the rake of intersection line between fault plane and split core surface (ϕi) and apparent rake measured (ϕa), Expedition 343. A. ϕa from top or 90° direction where fault plane dips toward 270°. B. ϕa from bottom or 90° direction where fault plane dips toward 90°. C. ϕa from top or 270° direction where fault plane dips toward 90°. D. ϕa from bottom or 270° direction where fault plane dips toward 270°. αs = right-hand rule strike of fault plane, vn = unit vector normal to fault plane, vc = unit vector normal to split core surface, vi = unit vector parallel to intersection line between fault plane and split core surface, vs = horizontal unit vector in the right-hand rule strike direction of fault plane.

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