It's All Uphill

by Sandra Bronstein

Title

It's All Uphill

Artist

Sandra Bronstein

Medium

Photograph - Photography - Fine Art Photography - Digital Art

Description

@2014 Sandra Bronstein Photography. All Rights Reserved.

The geology of these sand dunes is an intriguing subject. The sand comes from Navajo sandstone from the geologic period called Middle Jurassic. The same iron oxides and minerals which create the spectacular red rock country are responsible for this landscape of coral pink sand.

Sand dunes are created by three factors: Sand, high winds, and a unique influence upon the wind. The notch between the Moquith and Moccasin mountains causes this unique influence. The wind is funneled through the notch, thereby increasing wind velocity to a point where it can carry sand grains from the eroding Navajo sandstone.

This phenomenon is known as the Venturi effect. Once the wind passes through the notch and into the open valley, the wind velocity decreases, causing the sand to be deposited. The Pink Coral Sand Dunes are estimated to be between 10,000 and 15,000 years old.

Coral Pink Sand Dunes support a diverse population of insects, including the Coral Pink tiger beetle that is found only here. Melting snow sometimes creates small ponds in the dunes that support amphibians such as salamanders and toads.

Unfortunately, this area is also a popular destination for ATV riders. About 90% of the dunes are open for riding, but all of the dunes are open for hiking and just playing in the sand. At an elevation of 6,000 climbing to the top of these dunes isn't always an easy task.

Uploaded

January 1st, 2014

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