Park, Sung-Hyun; Lee, Sang-Mook; Arculus, Richard
The Ayu Trough is an approximately 600-km-long divergent margin between the Philippine Sea and Caroline plates located in the western Pacific near the equator. Characterized by rugged seafloor topography and deep axial depths that average greater than 4000 m, the Ayu Trough has been considered as a slow spreading center. Here we report geochemical analyses of Ayu Trough basalts (ATB) dredged from seven sites along the axis from 0°30′ to 4°30′N. The ATB vary geochemically from N-MORB (La/SmN <...[Show more]
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