Europe's future lies under Africa, scientists suggest
The continents are converging; and for many millions of years, the northern edge of the African tectonic plate has descended under Europe.
But this process has stalled; and at the European Geosciences Union (EGU) meeting last week, scientists said we may be seeing Europe taking a turn.
If they are correct, this would signal the start of a new subduction zone - a rare event, scientifically fascinating.
Beneath the Mediterranean Sea, the cold, dense rock at the extreme north of the African plate has virtually all sunk under the Eurasian plate on which Europe sits.
But the African landmass is too light to follow suit and descend.
"Africa won't sink, but Africa and Europe continue to move together; so where is this taken up?" asked Rinus Wortel from the University of Utrecht.
"It looks possible that on the appropriate timescale, we are witnessing the beginning of subduction of Europe under Africa," he told BBC News.
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