While the mountains appear craggy and unworn, most geologists believe that they are actually older than the [[Alps]].<ref>http://uk.encarta.msn.com/encyclopedia_761556167/Pyrenees.html</ref> This is due to the preponderance of hard-wearing granite and comparatively little glaciation. | While the mountains appear craggy and unworn, most geologists believe that they are actually older than the [[Alps]].<ref>http://uk.encarta.msn.com/encyclopedia_761556167/Pyrenees.html</ref> This is due to the preponderance of hard-wearing granite and comparatively little glaciation. |