El Capitan is the World's Strongest Granite | How the Earth Was Made (S2) | History

Transcript

250 million years ago, Yosemite's landscape was a peaceful coastal plain. Now the investigation moves to 100 million years ago. The land that would become Yosemite is in turmoil. Volcanoes dot the skyline, spilling mountains of lava onto the land. And entombed beneath two miles of volcanic rock lies Yosemite's molten granite. The next 10 million ye... Read More