Carlsbad, New Mexico

SODA STRAWS - Thin precursors to stalactites, they form as water drips from the ceiling, creating a ring of calcite on the outside of the drop. It grows into a hollow “straw” of uniform diameter until something plugs it, forcing the water to back up and flow down the outside.

 

Carlsbad Caverns National Park - Carldbad, New Mexico

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