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sandstone
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sandstone

Sandstone rock formations and geological features found throughout Ohio, especially the dramatic cliffs and gorges of Hocking Hills and Blackhand Gorge in Licking County.

Stop #7C Grand Canyon,AZ
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Stop #7C Grand Canyon,AZ

The Grand Canyon is a record of Earth’s history. The oldest rocks exposed in the canyon are nearly 2 billion years old. Layers of sandstone, limestone, and shale preserve ancient environments, including oceans, deserts, and forests. The canyon itself was mainly shaped by erosion from the Colorado

Lori Jordan Lori Jordan