The Scottish Highlands, the Appalachians, and the Atlas may seem like very different mountain ranges, but they were once part of the same great chain that spanned the supercontinent Pangaea. This ridge was known as the Central Pangean Mountains and ran from northeast to southwest during the Carboniferous, Permian, and Triassic periods. The formation of the Central Pangean … [Read more...] about The Legacy of the Central Pangean Mountains: How the Scottish Highlands, the Appalachians, and the Atlas Were Once Connected