Scientists are to sail to the mid-Atlantic to examine a massive "open wound" on the Earth's surface. Dr Chris MacLeod, from Cardiff University, said the Earth's crust appeared to be completely missing in an area thousands of kilometres across. The hole in the crust is midway between the Cape Verde Islands and the Caribbean, on the Mid-Atlantic Ridge. The team will survey the area, up to 5km (3 miles) under the surface, from ocean research vessel RRS James Cook. The ship is on its inaugural voyage after being named in February. Dr MacLeod said the hole in the Earth's crust was not unique, but was recognised as one of the most significant. He said it was an "open wound on the surface of the Earth", where the oceanic crust, usually 6-7km thick (3.7-4.3 miles), was simply not there...
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