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No Dinosaurs Above the Line

Tyler Lyson is a paleontologist who’s been digging up dinosaur fossils in these badlands.
Mammal Survivors

This amazing fossil leaf just popped out of this rock.
Dinosaur Fossils

In an empty corner of Utah lies a very special landscape.
Rock Time Capsules

This place is a paradise for geologists and one of our national treasures. It is, of cour
Pangea

The rocks here in Zion bear witness to a traumatic phase in our continent’s history.
Making Granite From Volcanic Rock

It would take dramatic transformations to turn volcanic islands into the first continents.
Fossil-Filled Limestone

340 million years ago, a warm shallow sea covered all of the American Southwest.
The Grand Canyon's Oldest Rocks

“This rock is more than 4000 feet below the rim of the canyon."
From Lava to Land

So how did North America and its fellow continents get started?
Semi-Precious Pebbles

Where you find agates, volcanoes—the source of the gas bubbles—are usually not far way.

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