Hiking in the Calico Basin, Nevada

The Calico Basin can be accessed by hiking from the Scenic Loop Drive, but there is another road that leads you more directly to it. In this area the rocks show some of the best mixtures of colours. It's quite fascinating. The rock is supposed to be over 600 million years old and was once on the bottom of a deep ocean basin. Over time the land and water levels changed and deposited different types of ocean and continental sediments resulting in the limestone that you can see today. About 180 years ago, a bunch of sand came along and a giant sand dune was formed. The weight of the many layers compressed and formed the sandstone that you see today. Basically, some of that sand has eroded to make different shapes the iron-bearing minerals in the sandstone was exposed to the elements causing oxidation. This is why you can see the grey limestone as well as many layers of red, orange and tan colored rocks today. Fascinating stuff!