Aerial geology. A high-altitude tour of north america's spectacular volcanoes, canyons, glaciers, lakes and peaks / Аэрогеология. Высокогорный тур по впечатляющим вулканам, каньонам, ледникам, озерам и горным вершинам Северной Америки

The geologic story of North America is a fascinating one. It’s also more than 4 billion years long—much more than we could ever hope to cover here. However, if you’re curious about the world around you, enjoy the big-picture perspective, and are interested in some of the processes that are constantly reshaping our planet, here’s a crash course on the basics. It’s a good place to start on your aerial tour of the continent’s most breathtaking landforms.