Check out the serpentinite rock outcropping just ahead. It was formed somewhere between 200 and 65 million years ago during the Jurassic and Cretaceous periods. The serpentinite weathers to soils deficient in many soluble metals such as potassium and sodium, creating conditions lacking the nutrients and minerals necessary for strong vegetation coverage. Without some sort of substantial ground coverage, the area is very susceptible to erosion which reveals the rocks.

Click on the rocks to continue the singletrack journey.

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