The image below shows ancient dunes exposed in Zion National Park in Utah.Using the interpreted portion of the image at the left,what was the dominant wind direction that formed these sedimentary structures?

Question

Quizplus · Accepted Answer

The asymmetrical cross beds indicate that the dunes were formed by a unidirectional wind, which can be inferred to be blowing from left to right based on the pattern of the wind ripples seen in the image. Therefore, the dominant wind direction that formed these sedimentary structures was toward the right.

The Image Below Shows Ancient Dunes Exposed in Zion National