1. The southern boundary is a mid-oceanic ridge , the Galapagos Rise. 2. The drilling is at a rifted plate margin on the mid-oceanic ridge . 3. Rifts are oceanic ridges formed when tectonic plates separate and a new crust is created. 4. Transform faults move differently than a strike-slip fault at the mid-oceanic ridge . 5. It has been observed that 3 He is present in volcano emissions and oceanic ridge samples. 6. Iceland is the largest landmass ( 102, 775 km?) situated on an oceanic ridge . 7. The geological deformation of Iceland is mainly caused by the active spreading of the mid-oceanic ridge . 8. The chemical composition of metabasalts in the CBMZ is similar to that of mid-oceanic ridge basalts ( MORB ). 9. The most prominent examples of the mid-oceanic ridge transform zones are located in Atlantic Ocean between South America and Africa. 10. A profound consequence of seafloor spreading is that new crust was, and still is, being continually created along the oceanic ridges .
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