What is another word for caledonian orogeny?
Pronunciation: [kˌalɪdˈə͡ʊni͡ən ɔːɹˈɒd͡ʒəni] (IPA) 
The Caledonian orogeny refers to a geological event that occurred more than 400 million years ago when the continents of Laurentia, Baltica, and Avalonia collided, forming the ancient supercontinent of Laurussia. There are many synonyms for the Caledonian orogeny, including the Caledonian orogen, the Caledonides, or the Caledonian mountain building. The Caledonian orogeny was a significant time in geological history and has shaped the landscape of northern Europe, including the mountain ranges of Scandinavia, the Scottish Highlands, and the Appalachian Mountains in North America. Understanding the Caledonian orogeny has helped geologists to better understand plate tectonics and the processes that shape our planet.
