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The rocks forming the canyon date from 200 million ago at the top to nearly 2 billion years ago at the bottom that is a very good section through Earth's geological history.

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15y ago

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What geologist made the first expedition into the grand canyon?

John Wesley Powell


What geologist discovered the grand Canyon?

James Ohio Pattie, along with a group of American trappers and mountain men.


What is the best way to the Grand Canyon from the midwest?

In my opinion the best way to get to the Grand Canyon from the midwest is to drive. The country is abundant with beautiful scenery. Our government has a website section dedicated to visiting the Grand Canyon. www.nps.gov/grca/planyourvisit


What should you see when visiting the Grand Canyon?

A big hole, don't fall in, haha.


Where did the Grand Canyon get its name?

John Wesley Powell, named the Grand Canyon. Major John Wesley Powell was 35 years old when he led his first expedition through the Canyon. He was a geologist, a teacher, and a one-armed veteran of the Civil War (he lost his right arm in the Battle of Shiloh).


Who was Wesley Powell?

John Wesley Powell was a soldier, geologist, and explorer, who was best known for his exploration and naming of the Grand Canyon.


Where can I find out information about the Grand Canyon online?

The Grand Canyon is a very safe and enjoyable holiday destination. You can find out more information and plan your visit there by visiting http://www.nps.gov/grca/index.htm


What is the Grand Canyon skywalk used for?

The Skywalk is used to give those visiting the site a better view of the Grand Canyon. It is made of glass so visitors can view below as well as above and on the sides.


How would a geologist use the principle of superposition to determine the relative ages of the rocks in the grand canyon?

A geologist would use the principle of superposition in the Grand Canyon by observing that in an undisturbed sequence of sedimentary rock layers, the youngest rocks are at the top, and the oldest rocks are at the bottom. By examining the layering of rocks in the canyon walls, they can determine the relative ages of the rocks based on their position within the sequence. This allows them to create a relative chronology of the geological history of the canyon.


Why are people so interested in the grand canyon?

Because it is a historic landmark in science and it was a beautiful masterpiece.


What is the name of Grand Canyon?

the grand canyon


Is grand canyon a canyon?

a Grand Canyon is nothing but a big erosion.........