English: This image shows an outcrop of the Piedra Lumbre Formation, a Calymmian formation (1.45 billion years old) that was deposited in the Pilar Basin during the Mazatzal Orogeny. This is located along the highway from Dixon to Picuris Pueblo, New Mexico, USA.
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Captions
Outcrop of Piedra Lumbre Formation along highway from Dixon to Picuris Pueblo, New Mexico, USA