Shiprock

Radiometric age determinations of the minette establish that these volcanic rocks solidified about 27 million years ago. Shiprock is in the northeastern part of the Navajo Volcanic Field - a field that includes intrusions and flows of minette and other unusual igneous rocks that formed about 25 million years ago.

 

Scanned from film Agfa Ultra ISO-50

 

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Shiprock, New Mexico

Navajo Nation

Dec 2016

Done