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Delicate rock formations shaped by wind erosion overlook the Grand Canyon. The Navajo sandstone layer formed 190 million years ago in the early Jurassic period. Southern Utah was much closer to the equator and giant, wind-whipped sand dunes dominated the landscape. Polar ice caps melted and the climate changed forming an inland sea that covered the Southwest. Water seeped down into the sand, carrying minerals with a mineral composition of iron, calcium carbonate, and manganese which gave the rock warm colors; Arizona, United States of America, by Melissa Farlow / Design Pics
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0.3 MB
724 x 485 px
6.1 x 4.1 cm
$ 100.00
M
3.4 MB
2290 x 1534 px
19.4 x 13 cm
$ 180.00
L
18.3 MB
5347 x 3582 px
45.3 x 30.3 cm
$ 350.00
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