Fold mountains

The Appalachian Mountains may have been as high as the Himalayas

Mount Everest, of course, is the highest point in the world, if you don’t count Mauna Kea or Mount Chimborazo in Ecuador (details here). But Everest has not always been the planetary champion. The Himalayas began to form “only” forty million years ago, a relatively short period of time in geological terms. If you had […]