"Scroll Down through History" displays the layers of rock exposed within the Grand Canyon and shows when in earth's history they formed. The region where the Grand Canyon now lies begins to shift ...

Colliding tectonic plates tilted and bent layers like cardboard ... holding who knows what secrets. When the rocks at the bottom of the Grand Canyon are counted in, the swath of Earth's history ...

Getting to the Grand Canyon can be tricky ... where the canyon walls transform into striking layers of red and black rock. Cape Royal offers some of the most sweeping views of the canyon and ...

The Grand Canyon was carved out of rock by the Colorado River over millions of years. The strata of the canyon is discussed to explain what the layers tell us about how the canyon formed.

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon ... of the canyon, including its many colors and rock formations.

The public lands surrounding Grand Canyon National Park contain high concentrations of uranium ore. Mining bores deep into vertical rock formations called “breccia pipes,” making uranium soluble to ...

Our family just returned from our first visit to the Grand Canyon and let me tell ... colors shift with the light, the layers of history etched into the rock, the kind of silence that feels ...

Two gorges on the Moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed. The Moon canyons ...