Granite Dells 3

by Teresa Zieba

Title

Granite Dells 3

Artist

Teresa Zieba

Medium

Photograph - Photography

Description

The Granite Dells is a geological feature north of Prescott, Arizona, USA.
The Dells consist of exposed bedrock and large boulders of granite that have eroded into an unusual lumpy, rippled appearance. Watson Lake and Willow Lake are small man-made reservoirs in this formation.
The precambrian Dells' granite has been dated at 1.4 billion years old. Its pluton was intruded at a depth of around one or two miles (1.6 to 3.2 km). These cover rocks have since been eroded away. Weathering along joints produced the rounded boulders and other unusual rock formations that characterize the Granite Dells. This process is called spheroidal weathering, and is common in granitic terrains.

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Uploaded

April 10th, 2018

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