31. The substrate rock is enriched mid-ocean ridge basalt. 32. Gakkel is the earth's slowest spreading mid-ocean ridge . 33. In comparison, the average production rate at a mid-ocean ridge is about for every of ridge. 34. At the mid-ocean ridges the LAB rises to within a few kilometers of the ocean floor. 35. Both of these rifting arms are below sea level and are similar to a mid-ocean ridge . 36. But Ocean Ridge had only two over-votes in its last town commission election in February 2000. 37. The mid-ocean ridge systems form new oceanic crust. 38. Elections Supervisor Theresa LePore spent most of the day at the lone Ocean Ridge polling place. 39. If submarine mountains are included, the longest is the global mid-ocean ridge system which extends for about. 40. The hot material brought under the lithosphere by the superplumes then spreads out horizontally toward mid-ocean ridges ,
