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The fastest continent |
| TheAllINeed.com |
(NC&T/HAGRC) Until 140 million years ago India was part of the supercontinent Gondwanaland. When Gondwanaland broke up, its various parts drifted apart with different velocities. Today these various parts constitute India, Africa, Australia, Antarctica and South America.
However, the question which still remained to be answered was why India as quicker and moved much further than the other parts of Gondwanaland.
A new seismological method for determining the thickness of the present-day lithospheric plates with more precision than before has been developed at GFZ Potsdam. With this method the team of researchers has found that the Indian plate is only about 100 km thick, whereas the other parts of Gondwanaland are about 200 km thick and thus about twice as thick as India. The reason for the break up of Gondwanaland was a mantle plume that heated the supercontinent from below, thereby causing it to break. This plume may have melted the lower part of the Indian sub-continent away, thus allowing India to move faster and further than the other parts.
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