How old is the pinnacles

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See the Coloured Pearls. Visit Latitude Gallery. The Pinnacles. Wander among thousands of golden limestone spires at Cervantes' Pinnacles Desert. Access to the Pinnacles area itself is by means of a metre walking trail from the car park. You must remain on the designated tracks within the park. Where the roots of the trees became groundwater conduits, which resulted in the precipitation of hard calcrete. After continuous erosion by the wind, the stacks then exposed the calcrete pillars.

The third theory proposes that the Pinnacles were created by plants. It occurred when the plants drew in water through the soil to the roots for nutrition. Calcium was one of the main nutrients in the mass flow, and over time caused the accumulation to form calcrete.

After the plants perishing, the ongoing weather erosion caused the ground level to lower, with the calcrete formations rising above the ground surface to form the famous Pinnacles. Pinnacles National Park California. Info Alerts Maps Calendar Reserve. Alerts In Effect Dismiss. Dismiss View all alerts. How Pinnacles Formed.

But they are about to be born - thanks to something called plate tectonics. The Farallon plate subducts beneath the North American plate. These plates are thought to be moving continually, mostly horizontally. According to geologic theory, the plates meet in at least three ways, and two of these are important to our story: subduction zones where one plate moves beneath the other , and transform boundaries where the two plates grind past one another. The Coast Range was in place.

As the spreading ridge is subducted beneath the continental plate, a volcanic field forms at the surface.