/u/TyMcDuffey's posts in /r/NewMexico
Sunset over the Brazos Cliffs - Rio Arriba County, New Mexico. The Brazos Cliffs are made of ancient Precambrian rocks over a billion years old. They were uplifted during the Laramide orogeny (80-55 million years ago) and later eroded, leaving the formation we see today.
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