Sand rock

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Mono Lake California, Tree Mushrooms, Rock Textures, Giant Tree, Natural Structures, Geology Rocks, Ancient Forest, Environmental Design, Rock Formations

Sand Tufas are delicate tube-like structures formed by Calcium rich fresh water percolating through sand at the bottom of the brine-saturated sand layers forming cemented pillars of sand. As the lake waters retreated, erosion of the sand leave these beautiful and delicate structures, which are constantly eroding. Observed at Mono Lake, California Image - Copyright 2016 Alan Vernon

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Photo Credit: Comstock/Stockbyte/Getty Images Beach Sand Photography, Sand Beach Aesthetic, Sea Sand, Sand Photography, Ocean Sand, Sand Aesthetic, Sand Dollars, Etching Tool, Beach Sand Art

Scattered along the beaches of both the East and the West Coast, you sometimes see hard, flat discs with a faint five-pointed star pattern on one side. Although they seem like chalk or compacted sand, they are actually the *tests*, or skeletons, of a type of sea creature called a sand dollar. Shell collectors prize sand dollars for their beauty, but you need to handle them carefully to take one home intact.

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