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Creation, Aging and Recycling of the OceanFloor How is the ocean floor made? Why does the ocean floor get deeper with age? How are volcanic arcs made and why are they so dangerous? Formation ofOcean Lithosphere Formation of Ocean Lithosphere Mid­ocean ridges ­­ global circuit of plate divergence ­­ youngestocean floor ­­ shallowestocean floor Architecture ofoceanic plates ­­ seismic profiling ­­ ocean drilling ­­ fossil sliversof ocean floor Seismic Profiling (sound energy) Ocean Drilling ✦International program (20 nations; began1968) ✦2­month cruises ✦Deepesthole:2 km But,new vessel will drill to >6km! ... - tailieumienphi.vn
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