4mon
HowStuffWorks on MSNHow Pangaea Became 7 Separate ContinentsThere were other clues as well; matching rocks ... magnetic striping. The oceanic map and the magnetic striping were ...
Hosted on MSN3mon
This is what it sounds like when the Earth's poles flipThough they occur on average about every 450,000 years, there's no pattern ... the rock solidified. The history of Earth's magnetic reversals is recorded where new magma cools as the seafloor ...
They realized that the pattern of reversals matched perfectly the magnetic profile they had compiled of the sea floor. This discovery, together with data from a 1964 research vessel, transformed ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results