The Flysch

If you happen to be a Geologist then I am sure you will know all about the Flysch. I am not but google has come to the rescue. Formed more than 60 million years ago by the clashing of tetonlc plates below the sea and being pushed up, today in Zumaia and of course other areas we can view these strange rock formations that mainly consist of layers of sandstone, siltstone, mudstone and shaleLes mer