KNAU

Louis Vest

The iconic formation called Ship Rock sails like a stately clipper ship 1,700 feet above the surrounding desert of northwest New Mexico.  It’s the craggy remnant of a volcanic explosion that occurred about 30 million years ago, with long dikes extending from its base.


Earth Notes: Juniper and Ash

Nov 24, 2016
Jim Harrigan

Nine hundred years ago the eruption of Sunset Crater volcano must have been a brilliant spectacle. Ultimately, nearly 750 square miles of northern Arizona were blanketed in cinders and ash. After the destruction, life slowly returned. 


Adrian Manygoats

Thousands of people have gathered at the Standing Rock Sioux Reservation in North Dakota, trying to stop construction of a massive oil pipeline. The Dakota Access Pipeline would carry 500,000 barrels of oil a day from North Dakota to Illinois. "Water Protectors" are concerned it will destroy sacred tribal land and contaminate drinking water. This weekend, they were subjected to water cannons at the hands of police. Dr. Michael Lerma is a professor of Native American politics at Northern Arizona University.

Earth Notes: Vibes at Rainbow Bridge

Nov 16, 2016
NPS/B. Lee

Rainbow Bridge in southeast Utah is one of the largest natural bridges in the world. And though the immense sandstone span looks solid and unmoving, scientists are finding out otherwise. 

 

Tim Evanson

Long before Europeans arrived in the Western Hemisphere, turquoise was an exceptionally prized stone—used in jewelry and masks, for example. But the blue-green mineral doesn’t occur naturally in many of the same places where such artifacts have been found in the Southwest. 


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