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Juan de Fuca Ridge, Gorda Ridge,
and Axial Seamount


Juan de Fuca Ridge - Gorda Ridge - Axial Seamount -- Showing features of Pacific/Juan de Fuca/North American subduction system relative to Western United States. Open blue arrows, ridge-spreading directions; solid blue arrow, convergence direction.

-- Modified from: Swanson, et.al., 1989, IGC Field Trip T106: Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon, p.2

Map, Juan De Fuca Ridge

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01/02/03, Lyn Topinka