The Matterhorn also contains rocks from the African continent.
That's because the tectonic plate that Africa sits on has been moving northward for a very long time, raising the Alps and closing the Mediterranean Sea in the process. Further east, a similar thing is happening with India, Asia, and the Himalaya. There are actually sea fossils at the top of the Himalaya mtns.
Formation of the Alps:
https://www.youtube.com/watch?v=ermI2b3S-yc