Beach Mystery Solved: What Are These Weird Balls Kids Keep Finding on Pensacola Shores?

sand and water.

Mudballs develop through a related pattern of repeated motion. Instead of hard rock or glass, the material involved is clay-rich sediment that can be shaped and compressed more easily.

With every tumble, the mud becomes slightly denser. Material that might once have broken apart begins holding together as the surface is pressed and smoothed.continue reading …