Zion Canyon in Zion National Park is 15 miles long and up to half a mile deep.
Zion Canyon in Zion National Park is 15 miles long and up to half a mile deep.
They vary from 4 to 18 miles.
A canyon is a narrow valley with high walls and a poorly developed
A canyon land form is a deep and narrow valley with high walls that typically extends for miles. The landforms that surround the canyon are called the rims. One is the South Rim and the other is the North Rim.
water erodes a canyon by carrying sediment from the rock walls down the river
From the green growth (moss, etc.) on the canyon walls that makes it look like copper ore.
The answer is COOKIEJOKING IT IS YOUR QUESTION NOT MINE SO HERE IS THE ANSWERCANYONCANYONcanyon
Hells Canyon, located along the border of eastern Oregon and western Idaho, is the United States' deepest canyon/gorge at 7,993 ft (2,436m). It is part of the Hells Canyon National Recreational Area.
to find how old they are and how many layers
The term "valley walls" is metaphorical; valleys do not actually have walls, they have hills. Valleys are between hills, that's why they are valleys. If there were no hills, the valley would just be a plain.
About 200 million years.
~0.5 cm/year