Background - If your kids will observe carefully, there are water-formed sandstones AND windblown sandstones. See if they can spot the difference between the horizontal beds and the crossbedding. The horizontal sandstone is VERY well sorted. To become so well sorted, sediments must be transported over a long distance.
In addition, there is a different type of rock underlying this entire area. This can be seen in the first image. The students can compare and contrast this with the sandstones. This lighter colored layer will react with dilute hydrochloric acid (bring some in a dropper bottle) and forms much of the trail that winds the pinnacle at the trailhead.
You may want to have the kids envision the sequence of events that could lead to the formations you see here. Can you see any evidence of faulting in the valley through which the road passes?
Theodore and Sedona Schnebly created this road in 1901 soon after they moved to the area and bought 80 acres to raise fruit and vegetables. The more temperate climate was better for farming than the Plateau. They would haul their produce up to Flagstaff to sell.(Sedona Web Cam)
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