Photo Gallery: Fantastic Moqui Marbles

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Stunning stripes

Bighorn sheep, Zion National Park

(Image credit: NPS)

Bighorn sheep, Zion National Park

Strange chemistry

Navajo sandstone

(Image credit: National Park Service)

Swirls of iron-rich minerals in the Navajo sandstone.

Colorful canyons

Navajo sandstone

(Image credit: National Park Service)

Candy-striped Navajo sandstone, Zion National Park.